/* downmloaded from bellow, and fixed by the Dory :)
  -------------------------------------------------------------------------
	                    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/
    -------------------------------------------------------------------------  
*/

var bError = 0;

function ClearAlts()
{
    var aImgs = document.body.getElementsByTagName("IMG");
    for (i = 0; i < aImgs.length;i++)
    {
      if (aImgs[i].className != "ErrorImg") continue;
      aImgs[i].alt = '';
      //aImgs[i].style.display = 'none';
      aImgs[i].style.visibility = 'hidden';

      // rest all inputs (read the input id from the error image id then 
      inputObj = document.getElementById(aImgs[i].id.substring(0,aImgs[i].id.length - 5));
      inputObj.style.backgroundColor = 'white';
      inputObj.style.color = 'black'; 
    }
}


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()
{
    ClearAlts();
    bError = 0;
	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 (bError) ? false : true;
}


function form_handler(FormObj)
{
    ClearAlts();
    bError = 0;
	for(var itr=0;itr < FormObj.elements.length;itr++)
	{
		if(FormObj.elements[itr].validationset &&
	   !FormObj.elements[itr].validationset.validate())
		{
		  //return false;
		}
	}
	if(FormObj.addnlvalidation)
	{
	  str =" var ret = "+FormObj.addnlvalidation+"()";
	  eval(str);
      //if(!ret) return ret;
	}
	return (bError) ? false : 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 validateUrlv2(url)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(url.length <= 0)
	{
	  return true;
	}
    
    var RegExp = /^(([\w]+:)?\/\/)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(\/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([-+_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?$/; 
    if(RegExp.test(url))
    { 
        return true; 
    } 
    return false; 
}

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 SetError(objValidated, strError)
{
  var objError = document.getElementById(objValidated.name+'Error');
  if (objError)
  {
    
    //objError.style.display = 'block';
    objError.style.visibility = 'visible';
    objError.alt = objError.alt +  strError + '\n';
    var objInput = document.getElementById(objValidated.name);
    objInput.style.backgroundColor = '#FF3258';
    objInput.style.color = '#FFFFFF';
//    objInput.onkeydown = 'this.style.color = \'' + oldColor; + '\'';
//alert("'this.style.color ="  + oldColor; + "'");
  } 
}

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 
              bError = 1;
              SetError(objValue,strError);
              //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 
               bError = 1;
               SetError(objValue,strError);
               //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               
               bError = 1;
               SetError(objValue,strError);
               //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 
                bError = 1;
                SetError(objValue,strError);
                //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 
                bError = 1;              
                SetError(objValue,strError);
                //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                             
                bError = 1;
                SetError(objValue,strError);
                //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                             
                bError = 1;
                SetError(objValue,strError);
                //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                                               
                 bError = 1;
                 SetError(objValue,strError);
                 //alert(strError); 
                 //return false; 
               }//if 
           break; 
          }//case email 
        case "url": 
          { 
               if(!validateUrlv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 bError = 1;
                 SetError(objValue,strError);
                 //alert(strError); 
                 //return false; 
               }//if 
           break; 
          }//case email 
          
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              bError = 1;
              SetError(objValue,objValue.name + ": Should be a number");
              //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
              bError = 1;
              SetError(objValue,strError);               
              //alert(strError); 
              //return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              bError = 1;//alert(objValue.name+": Should be a number ");
              SetError(objValue,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               
               bError = 1;
               SetError(objValue,strError);
               //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                                                               
	              bError = 1;
	              SetError(objValue,strError);
	              //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                                                               
              bError = 1;
              SetError(objValue,strError);
              //alert(strError); 
              //return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    retValue = (bError == 1) ? false : true; 
    //return retValue;
    return true;
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/