// JavaScript Document
function check()
{
	var x=document.frm;
	
	if (x.Email.value=="")
	{
		alert("Enter your Email ID");
		x.Email.focus();
		return(false);
	}
	if (x.Email.value!="" && echeck(x.Email.value)==false)
	{
		alert("Invalid Email");
		x.Email.value='';
		x.Email.focus();
		return(false);
	}
	//alert('hello');
	window.location.href='add-email.asp?email=' + x.Email.value ;
}

function checknews()
{
	var x=document.newsletter;
	
	if (x.Email.value=="")
	{
		alert("Enter your Email ID");
		x.Email.focus();
		return(false);
	}
	if (x.Email.value!="" && echeck(x.Email.value)==false)
	{
		alert("Invalid Email");
		x.Email.value='';
		x.Email.focus();
		return(false);
	}
	//alert('hello');
	//window.location.href='add-email.asp?email=' + x.Email.value ;
}


//function for  email validation
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){
		   
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1 || str.indexOf(",")!=-1 || str.indexOf(";")!=-1)
		 {
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}