/*
    -------------------------------------------------------------------------
    JavaScript Form Validator (gen_validatorv4.js)
    Version 4.0
    Copyright (C) 2003-2011 JavaScript-Coder.com. All rights reserved.
    You can freely use this script in your Web pages.
    You may adapt this script for your own needs, provided these opening credit
    lines are kept intact.
        
    The Form validation script is distributed free from JavaScript-Coder.com
    For updates, please visit:
    http://www.javascript-coder.com/html-form/javascript-form-validation.phtml

    Questions & comments please send to form.val (at) javascript-coder.com
    -------------------------------------------------------------------------  
*/

var Cards = new makeArray(8);
Cards[0] = new CardType("MasterCard", "51,52,53,54,55", "16");
var MasterCard = Cards[0];
Cards[1] = new CardType("VisaCard", "4", "13,16");
var VisaCard = Cards[1];
Cards[2] = new CardType("AmExCard", "34,37", "15");
var AmExCard = Cards[2];
Cards[3] = new CardType("DinersClubCard", "30,36,38", "14");
var DinersClubCard = Cards[3];
Cards[4] = new CardType("DiscoverCard", "6011", "16");
var DiscoverCard = Cards[4];
Cards[5] = new CardType("enRouteCard", "2014,2149", "15");
var enRouteCard = Cards[5];
Cards[6] = new CardType("JCBCard", "3088,3096,3112,3158,3337,3528", "16");
var JCBCard = Cards[6];
var LuhnCheckSum = Cards[7] = new CardType();


function Validator(frmname)
{
    this.validate_on_killfocus = false;
    this.formobj = document.forms[frmname];
    if (!this.formobj)
    {
        alert("Error: couldnot get Form object " + frmname);
        return;
    }
    if (this.formobj.onsubmit)
    {
        this.formobj.old_onsubmit = this.formobj.onsubmit;
        this.formobj.onsubmit = null;
    }
    else
    {
        this.formobj.old_onsubmit = null;
    }
    this.formobj._sfm_form_name = frmname;

    this.formobj.onsubmit = form_submit_handler;
    this.addValidation = add_validation;

    this.formobj.addnlvalidations = new Array();
    this.addAddnlValidationFunction = add_addnl_vfunction;
    this.formobj.runAddnlValidations = run_addnl_validations;
    this.setAddnlValidationFunction = set_addnl_vfunction;//for backward compatibility


    this.clearAllValidations = clear_all_validations;
    this.focus_disable_validations = false;

    document.error_disp_handler = new sfm_ErrorDisplayHandler();

    this.EnableOnPageErrorDisplay = validator_enable_OPED;
    this.EnableOnPageErrorDisplaySingleBox = validator_enable_OPED_SB;

    this.show_errors_together = false;
    this.EnableMsgsTogether = sfm_enable_show_msgs_together;
    document.set_focus_onerror = true;
    this.EnableFocusOnError = sfm_validator_enable_focus;

    this.formobj.error_display_loc = 'right';
    this.SetMessageDisplayPos = sfm_validator_message_disp_pos;

    this.formobj.DisableValidations = sfm_disable_validations;
    this.formobj.validatorobj = this;
}


function sfm_validator_enable_focus(enable)
{
    document.set_focus_onerror = enable;
}

function add_addnl_vfunction()
{
    var proc =
    {
    };
    proc.func = arguments[0];
    proc.arguments = [];

    for (var i = 1; i < arguments.length; i++)
    {
        proc.arguments.push(arguments[i]);
    }
    this.formobj.addnlvalidations.push(proc);
}

function set_addnl_vfunction(functionname)
{
    if(functionname.constructor == String)
    {
        alert("Pass the function name like this:\nvalidator.setAddnlValidationFunction(DoCustomValidation)\n "+
            "rather than passing the function name as string");
        return;
    }
    this.addAddnlValidationFunction(functionname);
}

function run_addnl_validations()
{
    var ret = true;
    for (var f = 0; f < this.addnlvalidations.length; f++)
    {
        var proc = this.addnlvalidations[f];
        var args = proc.arguments || [];
        if (!proc.func.apply(null, args))
        {
            ret = false;
        }
    }
    return ret;
}

function sfm_set_focus(objInput)
{
    if (document.set_focus_onerror)
    {
        if (!objInput.disabled && objInput.type != 'hidden')
        {
            objInput.focus();
        }
    }
}

function sfm_disable_validations()
{
    if (this.old_onsubmit)
    {
        this.onsubmit = this.old_onsubmit;
    }
    else
    {
        this.onsubmit = null;
    }
}

function sfm_enable_show_msgs_together()
{
    this.show_errors_together = true;
    this.formobj.show_errors_together = true;
}

function sfm_validator_message_disp_pos(pos)
{
    this.formobj.error_display_loc = pos;
}

function clear_all_validations()
{
    for (var itr = 0; itr < this.formobj.elements.length; itr++)
    {
        this.formobj.elements[itr].validationset = null;
    }
}

function form_submit_handler()
{
    var bRet = true;
    document.error_disp_handler.clear_msgs();
    for (var itr = 0; itr < this.elements.length; itr++)
    {
        if (this.elements[itr].validationset && !this.elements[itr].validationset.validate())
        {
            bRet = false;
        }
        if (!bRet && !this.show_errors_together)
        {
            break;
        }
    }

    if (this.show_errors_together || bRet && !this.show_errors_together)
    {
        if (!this.runAddnlValidations())
        {
            bRet = false;
        }
    }
    if (!bRet)
    {
        document.error_disp_handler.FinalShowMsg();
        return false;
    }
    return true;
}

function add_validation(itemname, descriptor, errstr)
{
    var condition = null;
    if (arguments.length > 3)
    {
        condition = arguments[3];
    }
    if (!this.formobj)
    {
        alert("Error: The form object is not set properly");
        return;
    } //if
    var itemobj = this.formobj[itemname];

    if (itemobj.length && isNaN(itemobj.selectedIndex))
    //for radio button; don't do for 'select' item
    {
        itemobj = itemobj[0];
    }
    if (!itemobj)
    {
        alert("Error: Couldnot get the input object named: " + itemname);
        return;
    }
    if (true == this.validate_on_killfocus)
    {
        itemobj.onblur = handle_item_on_killfocus;
    }
    if (!itemobj.validationset)
    {
        itemobj.validationset = new ValidationSet(itemobj, this.show_errors_together);
    }
    itemobj.validationset.add(descriptor, errstr, condition);
    itemobj.validatorobj = this;
}

function handle_item_on_killfocus()
{
    if (this.validatorobj.focus_disable_validations == true)
    {
        /*  
        To avoid repeated looping message boxes
        */
        this.validatorobj.focus_disable_validations = false;
        return false;
    }

    if (null != this.validationset)
    {
        document.error_disp_handler.clear_msgs();
        if (false == this.validationset.validate())
        {
            document.error_disp_handler.FinalShowMsg();
            return false;
        }
    }
}

function validator_enable_OPED()
{
    document.error_disp_handler.EnableOnPageDisplay(false);
}

function validator_enable_OPED_SB()
{
    document.error_disp_handler.EnableOnPageDisplay(true);
}

function sfm_ErrorDisplayHandler()
{
    this.msgdisplay = new AlertMsgDisplayer();
    this.EnableOnPageDisplay = edh_EnableOnPageDisplay;
    this.ShowMsg = edh_ShowMsg;
    this.FinalShowMsg = edh_FinalShowMsg;
    this.all_msgs = new Array();
    this.clear_msgs = edh_clear_msgs;
}

function edh_clear_msgs()
{
    this.msgdisplay.clearmsg(this.all_msgs);
    this.all_msgs = new Array();
}

function edh_FinalShowMsg()
{
    if (this.all_msgs.length == 0)
    {
        return;
    }
    this.msgdisplay.showmsg(this.all_msgs);
}

function edh_EnableOnPageDisplay(single_box)
{
    if (true == single_box)
    {
        this.msgdisplay = new SingleBoxErrorDisplay();
    }
    else
    {
        this.msgdisplay = new DivMsgDisplayer();
    }
}

function edh_ShowMsg(msg, input_element)
{
    var objmsg = new Array();
    objmsg["input_element"] = input_element;
    objmsg["msg"] = msg;
    this.all_msgs.push(objmsg);
}

function AlertMsgDisplayer()
{
    this.showmsg = alert_showmsg;
    this.clearmsg = alert_clearmsg;
}

function alert_clearmsg(msgs)
{

}

function alert_showmsg(msgs)
{
    var whole_msg = "";
    var first_elmnt = null;
    for (var m = 0; m < msgs.length; m++)
    {
        if (null == first_elmnt)
        {
            first_elmnt = msgs[m]["input_element"];
        }
        whole_msg += msgs[m]["msg"] + "\n";
    }

    alert(whole_msg);

    if (null != first_elmnt)
    {
        sfm_set_focus(first_elmnt);
    }
}

function sfm_show_error_msg(msg, input_elmt)
{
    document.error_disp_handler.ShowMsg(msg, input_elmt);
}

function SingleBoxErrorDisplay()
{
    this.showmsg = sb_div_showmsg;
    this.clearmsg = sb_div_clearmsg;
}

function sb_div_clearmsg(msgs)
{
    var divname = form_error_div_name(msgs);
    sfm_show_div_msg(divname, "");
}

function sb_div_showmsg(msgs)
{
    var whole_msg = "<ul>\n";
    for (var m = 0; m < msgs.length; m++)
    {
        whole_msg += "<li>" + msgs[m]["msg"] + "</li>\n";
    }
    whole_msg += "</ul>";
    var divname = form_error_div_name(msgs);
    var anc_name = divname + "_loc";
    whole_msg = "<a name='" + anc_name + "' >" + whole_msg;

    sfm_show_div_msg(divname, whole_msg);

    window.location.hash = anc_name;
}

function form_error_div_name(msgs)
{
    var input_element = null;

    for (var m in msgs)
    {
        input_element = msgs[m]["input_element"];
        if (input_element)
        {
            break;
        }
    }

    var divname = "";
    if (input_element)
    {
        divname = input_element.form._sfm_form_name + "_errorloc";
    }

    return divname;
}

function sfm_show_div_msg(divname,msgstring)
{
   if(divname.length<=0) return false;

   if(document.layers)
   {
      divlayer = document.layers[divname];
        if(!divlayer){return;}
      divlayer.document.open();
      divlayer.document.write(msgstring);
      divlayer.document.close();
   }
   else
   if(document.all)
   {
      divlayer = document.all[divname];
        if(!divlayer){return;}
      divlayer.innerHTML=msgstring;
   }
   else
   if(document.getElementById)
   {
      divlayer = document.getElementById(divname);
        if(!divlayer){return;}
      divlayer.innerHTML =msgstring;
   }
   divlayer.style.visibility="visible";   
   return false;
}

function DivMsgDisplayer()
{
    this.showmsg = div_showmsg;
    this.clearmsg = div_clearmsg;
}

function div_clearmsg(msgs)
{
    for (var m in msgs)
    {
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname, "");
    }
}

function element_div_name(input_element)
{
    var divname = input_element.form._sfm_form_name + "_" + input_element.name + "_errorloc";

    divname = divname.replace(/[\[\]]/gi, "");

    return divname;
}

function div_showmsg(msgs)
{
    var whole_msg;
    var first_elmnt = null;
    for (var m in msgs)
    {
        if (null == first_elmnt)
        {
            first_elmnt = msgs[m]["input_element"];
        }
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname, msgs[m]["msg"]);
    }
    if (null != first_elmnt)
    {
        sfm_set_focus(first_elmnt);
    }
}

function show_div_msg(divname, msgstring)
{
    if (divname.length <= 0) return false;

    if (document.layers)
    {
        divlayer = document.layers[divname];
        if (!divlayer)
        {
            return;
        }
        divlayer.document.open();
        divlayer.document.write(msgstring);
        divlayer.document.close();
    }
    else if (document.all)
    {
        divlayer = document.all[divname];
        if (!divlayer)
        {
            return;
        }
        divlayer.innerHTML = msgstring;
    }
    else if (document.getElementById)
    {
        divlayer = document.getElementById(divname);
        if (!divlayer)
        {
            return;
        }
        divlayer.innerHTML = msgstring;
    }
    divlayer.style.visibility = "visible";
}

function ValidationDesc(inputitem, desc, error, condition)
{
    this.desc = desc;
    this.error = error;
    this.itemobj = inputitem;
    this.condition = condition;
    this.validate = vdesc_validate;
}

function vdesc_validate()
{
    if (this.condition != null)
    {
        if (!eval(this.condition))
        {
            return true;
        }
    }
    if (!validateInput(this.desc, this.itemobj, this.error))
    {
        this.itemobj.validatorobj.focus_disable_validations = true;
        sfm_set_focus(this.itemobj);
        return false;
    }

    return true;
}

function ValidationSet(inputitem, msgs_together)
{
    this.vSet = new Array();
    this.add = add_validationdesc;
    this.validate = vset_validate;
    this.itemobj = inputitem;
    this.msgs_together = msgs_together;
}

function add_validationdesc(desc, error, condition)
{
    this.vSet[this.vSet.length] =
    new ValidationDesc(this.itemobj, desc, error, condition);
}

function vset_validate()
{
    var bRet = true;
    for (var itr = 0; itr < this.vSet.length; itr++)
    {
        bRet = bRet && this.vSet[itr].validate();
        if (!bRet && !this.msgs_together)
        {
            break;
        }
    }
    return bRet;
}

/*  checks the validity of an email address entered 
*   returns true or false 
*/
function validateEmail(email)
{
    var splitted = email.match("^(.+)@(.+)$");
    if (splitted == null) return false;
    if (splitted[1] != null)
    {
        var regexp_user = /^\"?[\w-_\.]*\"?$/;
        if (splitted[1].match(regexp_user) == null) return false;
    }
    if (splitted[2] != null)
    {
        var regexp_domain = /^[\w-\.]*\.[A-Za-z]{2,4}$/;
        if (splitted[2].match(regexp_domain) == null)
        {
            var regexp_ip = /^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
            if (splitted[2].match(regexp_ip) == null) return false;
        } // if
        return true;
    }
    return false;
}

function TestComparison(objValue, strCompareElement, strvalidator, strError)
{
    var bRet = true;
    var objCompare = null;
    if (!objValue.form)
    {
        sfm_show_error_msg("Error: No Form object!", objValue);
        return false
    }
    objCompare = objValue.form.elements[strCompareElement];
    if (!objCompare)
    {
        sfm_show_error_msg("Error: Element with name" + strCompareElement + " not found !", objValue);
        return false;
    }

    var objval_value = objValue.value;
    var objcomp_value = objCompare.value;

    if (strvalidator != "eqelmnt" && strvalidator != "neelmnt")
    {
        objval_value = objval_value.replace(/\,/g, "");
        objcomp_value = objcomp_value.replace(/\,/g, "");

        if (isNaN(objval_value))
        {
            sfm_show_error_msg(objValue.name + ": Should be a number ", objValue);
            return false;
        } //if 
        if (isNaN(objcomp_value))
        {
            sfm_show_error_msg(objCompare.name + ": Should be a number ", objCompare);
            return false;
        } //if    
    } //if
    var cmpstr = "";
    switch (strvalidator)
    {
    case "eqelmnt":
        {
            if (objval_value != objcomp_value)
            {
                cmpstr = " should be equal to ";
                bRet = false;
            } //if
            break;
        } //case
    case "ltelmnt":
        {
            if (eval(objval_value) >= eval(objcomp_value))
            {
                cmpstr = " should be less than ";
                bRet = false;
            }
            break;
        } //case
    case "leelmnt":
        {
            if (eval(objval_value) > eval(objcomp_value))
            {
                cmpstr = " should be less than or equal to";
                bRet = false;
            }
            break;
        } //case     
    case "gtelmnt":
        {
            if (eval(objval_value) <= eval(objcomp_value))
            {
                cmpstr = " should be greater than";
                bRet = false;
            }
            break;
        } //case
    case "geelmnt":
        {
            if (eval(objval_value) < eval(objcomp_value))
            {
                cmpstr = " should be greater than or equal to";
                bRet = false;
            }
            break;
        } //case
    case "neelmnt":
        {
            if (objval_value.length > 0 && objcomp_value.length > 0 && objval_value == objcomp_value)
            {
                cmpstr = " should be different from ";
                bRet = false;
            } //if
            break;
        }
    } //switch
    if (bRet == false)
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + cmpstr + objCompare.name;
        } //if
        sfm_show_error_msg(strError, objValue);
    } //if
    return bRet;
}

function TestSelMin(objValue, strMinSel, strError)
{
    var bret = true;
    var objcheck = objValue.form.elements[objValue.name];
    var chkcount = 0;
    if (objcheck.length)
    {
        for (var c = 0; c < objcheck.length; c++)
        {
            if (objcheck[c].checked == "1")
            {
                chkcount++;
            } //if
        } //for
    }
    else
    {
        chkcount = (objcheck.checked == "1") ? 1 : 0;
    }
    var minsel = eval(strMinSel);
    if (chkcount < minsel)
    {
        if (!strError || strError.length == 0)
        {
            strError = "Please Select atleast" + minsel + " check boxes for" + objValue.name;
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        bret = false;
    }
    return bret;
}

function TestSelMax(objValue, strMaxSel, strError)
{
    var bret = true;
    var objcheck = objValue.form.elements[objValue.name];
    var chkcount = 0;
    if (objcheck.length)
    {
        for (var c = 0; c < objcheck.length; c++)
        {
            if (objcheck[c].checked == "1")
            {
                chkcount++;
            } //if
        } //for
    }
    else
    {
        chkcount = (objcheck.checked == "1") ? 1 : 0;
    }
    var maxsel = eval(strMaxSel);
    if (chkcount > maxsel)
    {
        if (!strError || strError.length == 0)
        {
            strError = "Please Select atmost " + maxsel + " check boxes for" + objValue.name;
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        bret = false;
    }
    return bret;
}

function IsCheckSelected(objValue, chkValue)
{
    var selected = false;
    var objcheck = objValue.form.elements[objValue.name];
    if (objcheck.length)
    {
        var idxchk = -1;
        for (var c = 0; c < objcheck.length; c++)
        {
            if (objcheck[c].value == chkValue)
            {
                idxchk = c;
                break;
            } //if
        } //for
        if (idxchk >= 0)
        {
            if (objcheck[idxchk].checked == "1")
            {
                selected = true;
            }
        } //if
    }
    else
    {
        if (objValue.checked == "1")
        {
            selected = true;
        } //if
    } //else  
    return selected;
}

function TestDontSelectChk(objValue, chkValue, strError)
{
    var pass = true;
    pass = IsCheckSelected(objValue, chkValue) ? false : true;

    if (pass == false)
    {
        if (!strError || strError.length == 0)
        {
            strError = "Can't Proceed as you selected " + objValue.name;
        } //if          
        sfm_show_error_msg(strError, objValue);

    }
    return pass;
}

function TestShouldSelectChk(objValue, chkValue, strError)
{
    var pass = true;

    pass = IsCheckSelected(objValue, chkValue) ? true : false;

    if (pass == false)
    {
        if (!strError || strError.length == 0)
        {
            strError = "You should select" + objValue.name;
        } //if          
        sfm_show_error_msg(strError, objValue);

    }
    return pass;
}

function TestRequiredInput(objValue, strError)
{
    var ret = true;
    if (VWZ_IsEmpty(objValue.value))
    {
        ret = false;
    } //if 
    else if (objValue.getcal && !objValue.getcal())
    {
        ret = false;
    }

    if (!ret)
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " : Required Field";
        } //if 
        sfm_show_error_msg(strError, objValue);
    }
    return ret;
}

function TestFileExtension(objValue, cmdvalue, strError)
{
    var ret = false;
    var found = false;

    if (objValue.value.length <= 0)
    { //The 'required' validation is not done here
        return true;
    }

    var extns = cmdvalue.split(";");
    for (var i = 0; i < extns.length; i++)
    {
        ext = objValue.value.substr(objValue.value.length - extns[i].length, extns[i].length);
        ext = ext.toLowerCase();
        if (ext == extns[i])
        {
            found = true;
            break;
        }
    }
    if (!found)
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " allowed file extensions are: " + cmdvalue;
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    }
    else
    {
        ret = true;
    }
    return ret;
}

function TestMaxLen(objValue, strMaxLen, strError)
{
    var ret = true;
    if (eval(objValue.value.length) > eval(strMaxLen))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " : " + strMaxLen + " characters maximum ";
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}

function TestMinLen(objValue, strMinLen, strError)
{
    var ret = true;
    if (eval(objValue.value.length) < eval(strMinLen))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " : " + strMinLen + " characters minimum  ";
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}

function TestInputType(objValue, strRegExp, strError, strDefaultError)
{
    var ret = true;

    var charpos = objValue.value.search(strRegExp);
    if (objValue.value.length > 0 && charpos >= 0)
    {
        if (!strError || strError.length == 0)
        {
            strError = strDefaultError;
        } //if 
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}

function TestEmail(objValue, strError)
{
    var ret = true;
    if (objValue.value.length > 0 && !validateEmail(objValue.value))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + ": Enter a valid Email address ";
        } //if                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}

function TestLessThan(objValue, strLessThan, strError)
{
    var ret = true;
    var obj_value = objValue.value.replace(/\,/g, "");
    strLessThan = strLessThan.replace(/\,/g, "");

    if (isNaN(obj_value))
    {
        sfm_show_error_msg(objValue.name + ": Should be a number ", objValue);
        ret = false;
    } //if 
    else if (eval(obj_value) >= eval(strLessThan))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " : value should be less than " + strLessThan;
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if   
    return ret;
}

function TestGreaterThan(objValue, strGreaterThan, strError)
{
    var ret = true;
    var obj_value = objValue.value.replace(/\,/g, "");
    strGreaterThan = strGreaterThan.replace(/\,/g, "");

    if (isNaN(obj_value))
    {
        sfm_show_error_msg(objValue.name + ": Should be a number ", objValue);
        ret = false;
    } //if 
    else if (eval(obj_value) <= eval(strGreaterThan))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + " : value should be greater than " + strGreaterThan;
        } //if               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if  
    return ret;
}

function TestRegExp(objValue, strRegExp, strError)
{
    var ret = true;
    if (objValue.value.length > 0 && !objValue.value.match(strRegExp))
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + ": Invalid characters found ";
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    } //if 
    return ret;
}

function TestDontSelect(objValue, dont_sel_value, strError)
{
    var ret = true;
    if (objValue.value == null)
    {
        sfm_show_error_msg("Error: dontselect command for non-select Item", objValue);
        ret = false;
    }
    else if (objValue.value == dont_sel_value)
    {
        if (!strError || strError.length == 0)
        {
            strError = objValue.name + ": Please Select one option ";
        } //if                                                               
        sfm_show_error_msg(strError, objValue);
        ret = false;
    }
    return ret;
}

function TestSelectOneRadio(objValue, strError)
{
    var objradio = objValue.form.elements[objValue.name];
    var one_selected = false;
    for (var r = 0; r < objradio.length; r++)
    {
        if (objradio[r].checked == "1")
        {
            one_selected = true;
            break;
        }
    }
    if (false == one_selected)
    {
        if (!strError || strError.length == 0)
        {
            strError = "Please select one option from " + objValue.name;
        }
        sfm_show_error_msg(strError, objValue);
    }
    return one_selected;
}

function TestSelectRadio(objValue, cmdvalue, strError, testselect)
{
    var objradio = objValue.form.elements[objValue.name];
    var selected = false;

    for (var r = 0; r < objradio.length; r++)
    {
        if (objradio[r].value == cmdvalue && objradio[r].checked == "1")
        {
            selected = true;
            break;
        }
    }
    if (testselect == true && false == selected || testselect == false && true == selected)
    {
        sfm_show_error_msg(strError, objValue);
        return false;
    }
    return true;
}


//*  Checks each field in a form 


function validateInput(strValidateStr, objValue, strError)
{

    var ret = true;
    var epos = strValidateStr.search("=");
    var command = "";
    var cmdvalue = "";
    if (epos >= 0)
    {
        command = strValidateStr.substring(0, epos);
        cmdvalue = strValidateStr.substr(epos + 1);
    }
    else
    {
        command = strValidateStr;
    }

    switch (command)
    {
    case "req":
    case "required":
        {
            ret = TestRequiredInput(objValue, strError)
            break;
        }
    case "maxlength":
    case "maxlen":
        {
            ret = TestMaxLen(objValue, cmdvalue, strError)
            break;
        }
    case "minlength":
    case "minlen":
        {
            ret = TestMinLen(objValue, cmdvalue, strError)
            break;
        }
    case "alnum":
    case "alphanumeric":
        {
            ret = TestInputType(objValue, "[^A-Za-z0-9]", strError, objValue.name + ": Only alpha-numeric characters allowed ");
            break;
        }
    case "alnum_s":
    case "alphanumeric_space":
        {
            ret = TestInputType(objValue, "[^A-Za-z0-9\\s]", strError, objValue.name + ": Only alpha-numeric characters and space allowed ");
            break;
        }
    case "num":
    case "numeric":
    case "dec": 
    case "decimal": 
        {
            if (objValue.value.length > 0 && !objValue.value.match(/^[\-\+]?[\d\,]*\.?[\d]*$/))
            {
                sfm_show_error_msg(strError, objValue);
                ret = false;
            } //if 
            break;
        }
    case "alphabetic":
    case "alpha":
        {
            ret = TestInputType(objValue, "[^A-Za-z]", strError, objValue.name + ": Only alphabetic characters allowed ");
            break;
        }
    case "alphabetic_space":
    case "alpha_s":
        {
            ret = TestInputType(objValue, "[^A-Za-z\\s]", strError, objValue.name + ": Only alphabetic characters and space allowed ");
            break;
        }
    case "email":
        {
            ret = TestEmail(objValue, strError);
            break;
        }
    case "lt":
    case "lessthan":
        {
            ret = TestLessThan(objValue, cmdvalue, strError);
            break;
        }
    case "gt":
    case "greaterthan":
        {
            ret = TestGreaterThan(objValue, cmdvalue, strError);
            break;
        }
    case "regexp":
        {
            ret = TestRegExp(objValue, cmdvalue, strError);
            break;
        }
    case "dontselect":
        {
            ret = TestDontSelect(objValue, cmdvalue, strError)
            break;
        }
    case "dontselectchk":
        {
            ret = TestDontSelectChk(objValue, cmdvalue, strError)
            break;
        }
    case "shouldselchk":
        {
            ret = TestShouldSelectChk(objValue, cmdvalue, strError)
            break;
        }
    case "selmin":
        {
            ret = TestSelMin(objValue, cmdvalue, strError);
            break;
        }
    case "selmax":
        {
            ret = TestSelMax(objValue, cmdvalue, strError);
            break;
        }
    case "selone_radio":
    case "selone":
        {
            ret = TestSelectOneRadio(objValue, strError);
            break;
        }
    case "dontselectradio":
        {
            ret = TestSelectRadio(objValue, cmdvalue, strError, false);
            break;
        }
    case "selectradio":
        {
            ret = TestSelectRadio(objValue, cmdvalue, strError, true);
            break;
        }
        //Comparisons
    case "eqelmnt":
    case "ltelmnt":
    case "leelmnt":
    case "gtelmnt":
    case "geelmnt":
    case "neelmnt":
        {
            return TestComparison(objValue, cmdvalue, command, strError);
            break;
        }
    case "req_file":
        {
            ret = TestRequiredInput(objValue, strError);
            break;
        }
    case "file_extn":
        {
            ret = TestFileExtension(objValue, cmdvalue, strError);
            break;
        }

    } //switch 
    return ret;
}

function VWZ_IsListItemSelected(listname, value)
{
    for (var i = 0; i < listname.options.length; i++)
    {
        if (listname.options[i].selected == true && listname.options[i].value == value)
        {
            return true;
        }
    }
    return false;
}

function VWZ_IsChecked(objcheck, value)
{
    if (objcheck.length)
    {
        for (var c = 0; c < objcheck.length; c++)
        {
            if (objcheck[c].checked == "1" && objcheck[c].value == value)
            {
                return true;
            }
        }
    }
    else
    {
        if (objcheck.checked == "1")
        {
            return true;
        }
    }
    return false;
}

function sfm_str_trim(strIn)
{
    return strIn.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function VWZ_IsEmpty(value)
{
    value = sfm_str_trim(value);
    return (value.length) == 0 ? true : false;
}
/*
	Copyright (C) 2003-2011 JavaScript-Coder.com . All rights reserved.
*/

function validate_form() {
	if (document.payment.first_name.value == "")
	{
		alert("Please fill in the 'First Name' box.");
		document.payment.first_name.focus();
		return false;
	}

	if (document.payment.last_name.value == "")
	{
		alert("Please fill in the 'Last Name' box.");
		document.payment.last_name.focus();
		return false;
	}

	if (document.payment.address.value == "")
	{
		alert("Please fill in the 'Address' box.");
		document.payment.address.focus();
		return false;
	}

	if (document.payment.city.value == "")
	{
		alert("Please fill in the 'City' box.");
		document.payment.city.focus();
		return false;
	}

	if (document.payment.zip.value == "")
	{
		alert("Please fill in the 'Zip' box.");
		document.payment.zip.focus();
		return false;
	}

	if (document.payment.description.value == "")
	{
		alert("Please fill in the 'Description' box.");
		document.payment.description.focus();
		return false;
	}

	if (document.payment.amount.value == "")
	{
		alert("Please fill in the 'Amt. (USD)$' box.");
		document.payment.amount.focus();
		return false;
	}

	if (document.payment.card_num.value == "")
	{
		alert("Please fill in the 'Card Number' box.");
		document.payment.card_num.focus();
		return false;
	}

	if (document.payment.cc_month.value == "")
	{
		alert("Please fill in the 'CC Exp. Month' list.");
		return false;
	}

	if (document.payment.cc_year.value == "")
	{
		alert("Please fill in the 'CC Exp. Year' list.");
		return false;
	}

	if (document.payment.zip.value.length != 5)
	{
		alert("Please enter 5 numbers in the 'Zip' box.");
		document.payment.zip.focus();
		return false;
	}

	if (CheckCardNumber(document.payment)) {
		return true;
	}
	else {
		return false;
	}
}

function numerical_validate(evt) {
  var theEvent = evt || window.event;
  var key = theEvent.keyCode || theEvent.which;
  key = String.fromCharCode( key );
  var regex = /[0-9]|\./;
  if( !regex.test(key) ) {
    theEvent.returnValue = false;
    theEvent.preventDefault();
  }
}

/*************************************************************************\
CheckCardNumber(form)
function called when users click the "check" button.
\*************************************************************************/
function CheckCardNumber(form) {
	var tmpyear;
	

	tmpyear = "20" + form.cc_year.value;

	tmpmonth = form.cc_month.value;

	// The following line doesn't work in IE3, you need to change it
	// to something like "(new CardType())...".
	// if (!CardType().isExpiryDate(tmpyear, tmpmonth)) {
	
	if (!(new CardType()).isExpiryDate(tmpyear, tmpmonth)) {
		alert("This card has already expired.");
		return false;
	}

//	card = form.CardType.options[form.CardType.selectedIndex].value;
	card = "VisaCard";
	var retval = eval(card + ".checkCardNumber(\"" + form.card_num.value + "\", " + tmpyear + ", " + tmpmonth + ");");
	cardname = "";
	
	
	if (retval) {
		// comment this out if used on an order form
		return true;
	}
	else {
		// The cardnumber has the valid luhn checksum, but we want to know which
		// cardtype it belongs to.
		for (var n = 0; n < Cards.size; n++) {
			if (Cards[n].checkCardNumber(form.card_num.value, tmpyear, tmpmonth)) {
				cardname = Cards[n].getCardType();
				break;
			}
		}
		
		if (cardname.length > 0) {
			alert("This looks like a " + cardname + " number, not a " + card + " number.");
		}
		else {
			alert("This card number is not valid.");
			return false;
		}
	}
}


/*************************************************************************\
Object CardType([String cardtype, String rules, String len, int year, 
                                        int month])
cardtype    : type of card, eg: MasterCard, Visa, etc.
rules       : rules of the cardnumber, eg: "4", "6011", "34,37".
len         : valid length of cardnumber, eg: "16,19", "13,16".
year        : year of expiry date.
month       : month of expiry date.
eg:
var VisaCard = new CardType("Visa", "4", "16");
var AmExCard = new CardType("AmEx", "34,37", "15");
\*************************************************************************/
function CardType() {
	var n;
	var argv = CardType.arguments;
	var argc = CardType.arguments.length;

	this.objname = "object CardType";

	var tmpcardtype = (argc > 0) ? argv[0] : "CardObject";
	var tmprules = (argc > 1) ? argv[1] : "0,1,2,3,4,5,6,7,8,9";
	var tmplen = (argc > 2) ? argv[2] : "13,14,15,16,19";

	this.setCardNumber = setCardNumber;  // set CardNumber method.
	this.setCardType = setCardType;  // setCardType method.
	this.setLen = setLen;  // setLen method.
	this.setRules = setRules;  // setRules method.
	this.setExpiryDate = setExpiryDate;  // setExpiryDate method.

	this.setCardType(tmpcardtype);
	this.setLen(tmplen);
	this.setRules(tmprules);
	if (argc > 4)
		this.setExpiryDate(argv[3], argv[4]);

	this.checkCardNumber = checkCardNumber;  // checkCardNumber method.
	this.getExpiryDate = getExpiryDate;  // getExpiryDate method.
	this.getCardType = getCardType;  // getCardType method.
	this.isCardNumber = isCardNumber;  // isCardNumber method.
	this.isExpiryDate = isExpiryDate;  // isExpiryDate method.
	this.luhnCheck = luhnCheck;// luhnCheck method.
	
	return this;
}

/*************************************************************************\
boolean checkCardNumber([String cardnumber, int year, int month])
return true if cardnumber pass the luhncheck and the expiry date is
valid, else return false.
\*************************************************************************/
function checkCardNumber() {
	var argv = checkCardNumber.arguments;
	var argc = checkCardNumber.arguments.length;
	var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
	var year = (argc > 1) ? argv[1] : this.year;
	var month = (argc > 2) ? argv[2] : this.month;

	this.setCardNumber(cardnumber);
	this.setExpiryDate(year, month);

	if (!this.isCardNumber())
		return false;
	if (!this.isExpiryDate())
		return false;

	return true;
}


/*************************************************************************\
String getCardType()
return the cardtype.
\*************************************************************************/
function getCardType() {
	return this.cardtype;
}

/*************************************************************************\
String getExpiryDate()
return the expiry date.
\*************************************************************************/
function getExpiryDate() {
	return this.month + "/" + this.year;
}

/*************************************************************************\
boolean isCardNumber([String cardnumber])
return true if cardnumber pass the luhncheck and the rules, else return
false.
\*************************************************************************/
function isCardNumber() {
	var argv = isCardNumber.arguments;
	var argc = isCardNumber.arguments.length;
	var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
	
	if (!this.luhnCheck())
		return false;

	for (var n = 0; n < this.len.size; n++)
		if (cardnumber.toString().length == this.len[n]) {

			for (var m = 0; m < this.rules.size; m++) {
				var headdigit = cardnumber.substring(0, this.rules[m].toString().length);

				if (headdigit == this.rules[m])
					return true;
			}
		
			return false;
		}

	return false;
}

/*************************************************************************\
boolean isExpiryDate([int year, int month])
return true if the date is a valid expiry date,
else return false.
\*************************************************************************/
function isExpiryDate() {
	var argv = isExpiryDate.arguments;
	var argc = isExpiryDate.arguments.length;

	year = argc > 0 ? argv[0] : this.year;
	month = argc > 1 ? argv[1] : this.month;

	if (!isNum(year+""))
		return false;
	if (!isNum(month+""))
		return false;
	
	today = new Date();
	expiry = new Date(year, month);
	
	if (today.getTime() > expiry.getTime())
		return false;
	else
		return true;
}

/*************************************************************************\
boolean isNum(String argvalue)
return true if argvalue contains only numeric characters,
else return false.
\*************************************************************************/
function isNum(argvalue) {
	argvalue = argvalue.toString();

	if (argvalue.length == 0)
		return false;

	for (var n = 0; n < argvalue.length; n++)
		if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
			return false;

	return true;
}

/*************************************************************************\
boolean luhnCheck([String CardNumber])
return true if CardNumber pass the luhn check else return false.
Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl
\*************************************************************************/
function luhnCheck() {
	var argv = luhnCheck.arguments;
	var argc = luhnCheck.arguments.length;

	var CardNumber = argc > 0 ? argv[0] : this.cardnumber;

	if (! isNum(CardNumber)) {
		return false;
	}

	var no_digit = CardNumber.length;
	var oddoeven = no_digit & 1;
	var sum = 0;

	for (var count = 0; count < no_digit; count++) {
		
		var digit = parseInt(CardNumber.charAt(count));
		
		if (!((count & 1) ^ oddoeven)) {
			digit *= 2;
			if (digit > 9)
			digit -= 9;
		}
	
		sum += digit;
	}
	
	if (sum % 10 == 0)
		return true;
	else
		return false;
}

/*************************************************************************\
ArrayObject makeArray(int size)
return the array object in the size specified.
\*************************************************************************/
function makeArray(size) {
	this.size = size;
	return this;
}

/*************************************************************************\
CardType setCardNumber(cardnumber)
return the CardType object.
\*************************************************************************/
function setCardNumber(cardnumber) {
	this.cardnumber = cardnumber;
	return this;
}

/*************************************************************************\
CardType setCardType(cardtype)
return the CardType object.
\*************************************************************************/
function setCardType(cardtype) {
	this.cardtype = cardtype;
	return this;
}

/*************************************************************************\
CardType setExpiryDate(year, month)
return the CardType object.
\*************************************************************************/
function setExpiryDate(year, month) {
	this.year = year;
	this.month = month;
	return this;
}

/*************************************************************************\
CardType setLen(len)
return the CardType object.
\*************************************************************************/
function setLen(len) {
// Create the len array.
	if (len.length == 0 || len == null)
		len = "13,14,15,16,19";

	var tmplen = len;
	n = 1;

	while (tmplen.indexOf(",") != -1) {
		tmplen = tmplen.substring(tmplen.indexOf(",") + 1, tmplen.length);
		n++;
	}

	this.len = new makeArray(n);
	n = 0;

	while (len.indexOf(",") != -1) {
		var tmpstr = len.substring(0, len.indexOf(","));
		this.len[n] = tmpstr;
		len = len.substring(len.indexOf(",") + 1, len.length);
		n++;
	}

	this.len[n] = len;
	
	return this;
}

/*************************************************************************\
CardType setRules()
return the CardType object.
\*************************************************************************/
function setRules(rules) {
	
	// Create the rules array.
	if (rules.length == 0 || rules == null)
		rules = "0,1,2,3,4,5,6,7,8,9";
  
	var tmprules = rules;
	n = 1;

	while (tmprules.indexOf(",") != -1) {
		tmprules = tmprules.substring(tmprules.indexOf(",") + 1, tmprules.length);
		n++;
	}

	this.rules = new makeArray(n);
	n = 0;

	while (rules.indexOf(",") != -1) {
		var tmpstr = rules.substring(0, rules.indexOf(","));
		this.rules[n] = tmpstr;
		rules = rules.substring(rules.indexOf(",") + 1, rules.length);
		n++;
	}

	this.rules[n] = rules;
	
	return this;
}

function dollar_format(){
	var v = parseFloat(document.payment.amount.value);
	document.payment.amount.value = v.toFixed(2);
}