// gen_validatorv2.js from http://www.javascript-coder.com/html-form/javascript_form.zip
/*
  -------------------------------------------------------------------------
                        JavaScript Form Validator 
                                Version 2.0.2
    Copyright 2003 JavaScript-coder.com. All rights reserved.
    You use this script in your Web pages, provided these opening credit
    lines are kept intact.
    The Form validation script is distributed free from JavaScript-Coder.com

    You may please add a link to JavaScript-Coder.com, 
    making it easy for others to find this script.
    Checkout the Give a link and Get a link page:
    http://www.javascript-coder.com/links/how-to-link.php

    You may not reprint or redistribute this code without permission from 
    JavaScript-Coder.com.
    
    JavaScript Coder
    It precisely codes what you imagine!
    Grab your copy here:
        http://www.javascript-coder.com/
    -------------------------------------------------------------------------  
*/
function Validator(frmname)
{
  this.formobj=document.forms[frmname];
    if(!this.formobj)
    {
      alert("BUG: 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.onsubmit=form_submit_handler;
    this.addValidation = add_validation;
    this.setAddnlValidationFunction=set_addnl_vfunction;
    this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname)
{
  this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
    for(var itr=0;itr < this.formobj.elements.length;itr++)
    {
        this.formobj.elements[itr].validationset = null;
    }
}
function form_submit_handler()
{
    for(var itr=0;itr < this.elements.length;itr++)
    {
        if(this.elements[itr].validationset &&
       !this.elements[itr].validationset.validate())
        {
          return false;
        }
    }
    if(this.addnlvalidation)
    {
      str =" var ret = "+this.addnlvalidation+"()";
      eval(str);
    if(!ret) return ret;
    }
    return true;
}
function add_validation(itemname,descriptor,errstr)
{
  if(!this.formobj)
    {
      alert("BUG: the form object is not set properly");
        return;
    }//if
    var itemobj = this.formobj[itemname];
  if(!itemobj)
    {
      alert("BUG: Couldnot get the input object named: "+itemname);
        return;
    }
    if(!itemobj.validationset)
    {
      itemobj.validationset = new ValidationSet(itemobj);
    }
  itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
    this.error=error;
    this.itemobj = inputitem;
    this.validate=vdesc_validate;
}
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
        return false;
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
    this.add= add_validationdesc;
    this.validate= vset_validate;
    this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]= 
      new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
     {
       if(!this.vSet[itr].validate())
         {
           return false;
         }
     }
     return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
    {
      return true;
    }
    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 V2validateData(strValidateStr,objValue,strError) 
{ 
    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": 
         { 
           if(eval(objValue.value.length) == 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              alert(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
        case "alnumhyphen":
            {
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if             
            break;
            }
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               alert(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
            if(objValue.value.length > 0)
            {
                if(!objValue.value.match(cmdvalue)) 
                { 
                  if(!strError || strError.length ==0) 
                  { 
                    strError = objValue.name+": Invalid characters found "; 
                  }//if                                                               
                  alert(strError); 
                  return false;                   
                }//if 
            }
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}
/*
    Copyright 2003 JavaScript-coder.com. All rights reserved.
*/

 function showFormFields()
 {
    var msg = "";
    for(i=0; i < document.donation.elements.length; i++)
        {
        msg += document.donation.elements[i].name + " = " + document.donation.elements[i].value + "\n";
        }
    alert(msg);
 }
 
 function submitDonate()
 {
    if(document.donation.onsubmit())
    {   
        document.donation.cmd.value = "_xclick";
        document.donation.submit();
    }
 }
 
 function submitSubscribe()
 {
    if(document.donation.p3.value.length == 0)
    {
        alert("Please enter the frequency for your subscription before continuing.");
        return;
    }
    
    if(document.donation.t3.selectedIndex == 0)
    {
        alert("Please enter the frequency unit for your subscription before continuing.");
        return;
    }
    
    frmvalidator.addValidation("p3", "num", "Please enter a valid frequency for your subscription before continuing.");
    frmvalidator.addValidation("p3", "gt=0", "Please enter a subscription frequency greater than 1 before continuing.");
    if(document.donation.t3.selectedIndex == 1)
        frmvalidator.addValidation("p3", "lt=91", "Please enter a subscription frequency of 90 days or less before continuing.");
    else if(document.donation.t3.selectedIndex == 2)
        frmvalidator.addValidation("p3", "lt=53", "Please enter a subscription frequency of 52 weeks or less before continuing.");
    else if(document.donation.t3.selectedIndex == 3)
        frmvalidator.addValidation("p3", "lt=25", "Please enter a subscription frequency of 24 months or less before continuing.");
    frmvalidator.addValidation("srt", "num", "Please enter a valid number of installments for your subscription before continuing.");
    frmvalidator.addValidation("srt", "gt=1", "Please enter a number of installments for your subscription greater than one before continuing.");
    frmvalidator.addValidation("srt", "lt=53", "Please enter a number of installments for your subscription of 52 or less before continuing.");

    if(document.donation.onsubmit())
    {
        document.donation.cmd.value = "_xclick-subscriptions";
        document.donation.amount.name = "a3";       
        document.donation.submit();
    }
 }
 
 function validateAmount()
 {
    var isCurrency = RegExp(/^\$?[0-9\,]+(\.\d{2})?$/).test(String(document.donation.amount.value).replace(/^\s+|\s+$/g, ""));
    var num = document.donation.amount.value.toString().replace(/\$|\,/g,'');

    if(!isCurrency || isNaN(num) || num < 0.01)
    {
        alert("Please enter a valid donation amount before continuing.");
        return false;
    }

    return true;
 }
 
 var frmvalidator  = new Validator("donation");
 frmvalidator.addValidation("first_name", "req", "Please enter your first name before continuing.");
 frmvalidator.addValidation("last_name", "req", "Please enter your last name before continuing.");
 frmvalidator.addValidation("address1", "req", "Please enter your address before continuing.");
 frmvalidator.addValidation("city", "req", "Please enter your city before continuing.");
 frmvalidator.addValidation("state", "dontselect=0", "Please enter your state before continuing.");
 frmvalidator.addValidation("zip", "req", "Please enter your zip code before continuing.");
 frmvalidator.addValidation("zip", "num", "Please enter a valid zip code before continuing.");
 frmvalidator.addValidation("zip", "minlength=5", "Please enter a valid zip code before continuing.");
 frmvalidator.addValidation("night_phone_a", "req", "Please enter your area code before continuing.");
 frmvalidator.addValidation("night_phone_a", "num", "Please enter a valid area code before continuing.");
 frmvalidator.addValidation("night_phone_a", "minlength=3", "Please enter a valid area code code before continuing.");
 frmvalidator.addValidation("night_phone_b", "req", "Please enter your phone prefix before continuing.");
 frmvalidator.addValidation("night_phone_b", "num", "Please enter a valid phone prefix before continuing.");
 frmvalidator.addValidation("night_phone_b", "minlength=3", "Please enter a phone prefix before continuing.");
 frmvalidator.addValidation("night_phone_c", "req", "Please enter your phone suffix before continuing.");
 frmvalidator.addValidation("night_phone_c", "num", "Please enter a valid phone suffix before continuing.");
 frmvalidator.addValidation("night_phone_c", "minlength=4", "Please enter a phone suffix before continuing.");
 frmvalidator.addValidation("amount", "req", "Please enter your donation amount before continuing.");
 /* frmvalidator.addValidation("item_name", "dontselect=0", "Please enter a donation purpose before continuing."); */
 frmvalidator.setAddnlValidationFunction("validateAmount");