var sURL = window.document.URL.toString();
	
/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Kindly enter your correct email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Kindly enter your correct email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Kindly enter your correct email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Kindly enter your correct email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Kindly enter your correct email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Kindly enter your correct email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Kindly enter your correct email address")
		    return false
		 }

 		 return true					
	}

function ValidateFeedBackForm(){
	
	var emailID=document.forms.FeedBackForm.EmailTextBox;
	
	if ((emailID.value==null)||(emailID.value=="")){
	
		alert("Kindly enter your correct email address");
		
		emailID.focus();
		
		return false;
	}
	
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		
		return false;
	}
	
	return true
 }