/*
  -------------------------------------------------------------------------
	                    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 leftTrim(sString) 
{
while (sString.substring(0,1) == ' ')
{
sString = sString.substring(1, sString.length);
}
return sString;
}

function rightTrim(sString) 
{
while (sString.substring(sString.length-1, sString.length) == ' ')
{
sString = sString.substring(0,sString.length-1);
}
return sString;
}

function allTrim(sString) 
{
while (sString.substring(0,1) == ' ')
{
sString = sString.substring(1, sString.length);
}
while (sString.substring(sString.length-1, sString.length) == ' ')
{
sString = sString.substring(0,sString.length-1);
}
return sString;
}
*/

var performValidation=1;

function Validator(frmname)
{
	//alert(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;
	this.setValidation = setValidation;
	this.performValidation=1;
	performValidation=1;
}
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 setValidation(nval)
{
this.performValidation=nval;
performValidation=nval;
}

function form_submit_handler()
{
if ((this.performValidation==1) || (performValidation==1))
{
//lert('submithandler');
//lert(this.elements.length);
	for(var itr=0;itr < this.elements.length;itr++)
	{
	//lert(this.elements[itr].id);
		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;
	}
}//if perform
	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];
	//var itemobj = this.formobj.elements[itemname];
	var itagName=itemobj['tagName'];
	var tn=(itagName)?itagName:'';
  if(!itemobj)
	{
	  alert("BUG: Couldnot get the input object named: "+itemname);
		return;
	}
	
	var icoll=null;
//	if (itemobj.length>0)
//		icoll=itemobj.namedItem(itemname);	
		
	if (icoll==null)
		icoll=itemobj;
	var bcoll=false;
	if (tn.toUpperCase()!='SELECT') {	
	if (icoll!=null)
		if (icoll.length>0)
			bcoll=true;
	}
  	if (bcoll)
  	{
	  	for(var itr=0;itr < itemobj.length;itr++)
		{
			if(!itemobj[itr].validationset)
			{
			  itemobj[itr].validationset = new ValidationSet(itemobj[itr]);
			}
		    //lert("adding validationa:"+itemname+descriptor+errstr);
		    itemobj[itr].validationset.add(descriptor,errstr);
  		}
  	}
  	else
  	{
	if(!itemobj.validationset)
	{
	  itemobj.validationset = new ValidationSet(itemobj);
	}
    //lert("adding validation:"+itemname+descriptor+errstr);
    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))
 {
 	if (this.itemobj.type!='hidden')
   	 	this.itemobj.focus();
    //alert('retfalse');
		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) 
{ 
	// first check if it's rendered
	var ctl=objValue;
	var bRender=true;
    while ((ctl!=document.documentElement) && (bRender)) {
		if (ctl.style.display=='none') bRender=false;
		ctl=ctl.parentNode;
		}
	if (!bRender) return true; // let's forget what we can't see  - don't we ?

    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    //lert(command);
    switch(command) 
    { 
    	case "ch":
    	case "checked":
    	{
           if (command=='ch') 
           {
           	//lert ('reqr:'+objValue.value);
           	if (!objValue.checked) // check if any other radio checked
           	{
           		var itemobj = objValue.form[objValue.id];
           		//lert('itemobj.length:'+itemobj.length);
           	  	if (itemobj.length>1)
			  	{
			  	    var ichecked=0;
				  	for(var itr=0;itr < itemobj.length;itr++)
					{
						if(itemobj[itr].checked)
							{
								ichecked++;
							}
					}
					if (ichecked==0)
					{
					    if(!strError || strError.length ==0) 
						{ 
		                strError = objValue.name + " : Required Field"; 
        			    }//if 
		            alert(strError); 
        		    return false; 
					}
			  	}
           	}
           	}           

           if(eval(objValue.checked) == false) 
           { 
           
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Must check"; 
              }//if 
              alert(strError); 
              return false; 
           }//if 
           break;             
    	
    	}
		case "reqc":
		case "reqch":
        case "req":
        case "reqr": 
        case "required": 
        case "requiredcombo": 
         { 
         	//if (command == 'reqc')
         	//{
			//lert(objValue.value);
			//lert(objValue.value.length);
			//lert(objValue.checked);
			//}
			//lert('reqc:'+objValue);
	
           if ((eval(objValue.value.length) == 0)  ||  (objValue.value=='--'))
           { 
           
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if
              alert(strError); 
              return false; 
           }//if 
           if ((command=='reqr') || (command=='reqch'))
           {
           //lert ('reqr:'+objValue.checked);
           	if (!objValue.checked) // check if any other radio checked
           	{
           		// this works for radio - why it was commented ?
           		var itemobj = objValue.form[objValue.id];
           		//var itemobj = document.getElementById(objValue.id);
           		//lert('itemobj.length:'+itemobj);
           	  	if (itemobj.length>0)
			  	{
			  	    var ichecked=0;
				  	for(var itr=0;itr < itemobj.length;itr++)
					{
						if(itemobj[itr].checked)
							{
								ichecked++;
							}
					}
					if (ichecked==0)
					{
					    if(!strError || strError.length ==0) 
						{ 
		                strError = objValue.name + " : Required Field"; 
        			    }//if 
		            alert(strError); 
        		    return false; 
					}
			  	}
           	}
           }
           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 "emails": 
          { 
	           var emails = objValue.value; 
	           var epos = emails.search(","); 
	           var bValid = true;
	           while (epos>0){
	           		email  = emails.substring(0,epos); 
					emails = emails.substr(epos+1); 
	           		bValid=(bValid && validateEmailv2(email));
	           		epos = emails.search(",");
	           		}
	           bValid=(bValid && validateEmailv2(emails));
               if(!bValid) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 //alert('email!');
                 return false; 
               }//if 
           break; 
          }//case email 
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 //alert('email!');
                 return false; 
               }//if 
           break; 
          }//case emails 
          
        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 "jsFunc":
        {
        	//lert(objValue.value);
        	//lert(cmdvalue);
        	var ret=false;
        	try{
        	var cmd1='ret='+cmdvalue+'(objValue,strError);';
        	eval(cmd1);
        	}
        	catch (e){
        		alert('Internal validation error: Error name: ' + e.name + '. Error message: ' + e.message);
        		ret=false;
        	}
        	//lert(ret);
        	if (!ret){
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : validate function "+cmdvalue+"not present or returned false"; 
               }//if               
               alert(strError); 
            }
        	return ret;
        }
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	            //lert('error:'+strError);
	              if(!strError || strError.length ==0) 
	              { 
	                strError = objValue.name+": Invalid characters found "; 
	              }//if                                                               
	              alert(strError+objValue.value+cmdvalue); 
	              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.
*/