/*
  -------------------------------------------------------------------------
	                    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();
		this.itemobj.select();
		this.itemobj.style.border="1px solid #DD3C10";
		this.itemobj.style.background="#FFEBE8";
		this.itemobj.style.cursor='default';
		return false;
	}else{
		this.itemobj.style.border="1px solid #6699CC";
		this.itemobj.style.background="#FFFFFF";
		this.itemobj.style.cursor='default';
	}
	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); 
               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); 
			return false;                 
		}//if 
		break; 
	}//numspc
	case "allnumspc":
	{
		var charpos = objValue.value.search("[^0-9 ]"); 
		if(objValue.value.length > 0 &&  charpos >= 0){ 
			if(!strError || strError.length ==0){ 
				strError = objValue.name+": characters allowed are 0-9 and space"; 
	                }//if                             
        	        alert(strError); 
                	return false; 
		}//if 			
		break;
	}//account
	case "account":
	{
		var emailcheck = new RegExp(/^[a-zA-Z]+([_a-zA-Z0-9]+)*$/);
		if (objValue.value.length > 0){
			if((objValue.value.length>5) && (objValue.value.length<=10)){
				if(!emailcheck.test(objValue.value)){
					if(!strError || strError.length==0){ 
						strError = objValue.name+": characters allowed are 0-9 A-Z and _"; 
					}
					alert(strError);
					return false;
				}                          
			}else{
				if(!strError || strError.length==0){ 
					strError = objValue.name+": Your account number is too short"; 
				}
					alert(strError);
					return false;
			}

		}//if 			
		break;
	}//Address
	case "address":
	{
		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 space"; 
			}//if                             
			alert(strError); 
			return false; 
		}//if 			
		break;		
	}//Name
	case "name":
	{
		var charpos = objValue.value.search("[^A-Za-z '-]"); 
		if(objValue.value.length > 0 &&  charpos >= 0){ 
			if(!strError || strError.length ==0){ 
				strError = objValue.name+": characters allowed are A-Z, a-z, -, and space"; 
			}//if                    
                	alert(strError); 
                	return false; 
		}//if 			
		break;
	}
	case "ddname":
	{
		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, -, and space"; 
			}//if                    
                	alert(strError); 
                	return false; 
		}//if 			
		break;
	}	
        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); 
                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); 
                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); 
                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); 
                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 
	case "password":
	{
		var numpos = objValue.value.search("[^0-9]"); 
		var alphapos = objValue.value.search("[^A-Za-z]"); 
		if(objValue.value.length > 0){
			if(alphapos == -1 || numpos == -1 || eval(objValue.value.length) < 6){ 
				if(!strError || strError.length ==0){ 
					strError = objValue.name+": invalid password, must be at least 6 characters and contain at least 1 letter and 1 number"; 
				}
		                alert(strError); 
        		        return false; 
			}
		} 
		break;
	}
	case "radioreq":
	{
		var check;
		var radioLength = objValue.length;
		if(radioLength == undefined){
			if(objValue.checked){
				check = "yes";
			}else{
				alert(strError); 
				return false;
			}
		}
		for(var i = 0; i < radioLength; i++) {
			if(objValue[i].checked) {
				check = "yes";
			}else{
				if(check != "yes"){
					check = "no";
				}
			}
		}
		if(check == "no"){
			alert(strError); 
			return false;
		}
		break;
	}	
    }//switch 
    return true; 
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/