var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function mediumvalidateform()
{
			if(form1.formElement_First.value=="")
				{
				alert("Please Enter Your First Name.");
				form1.formElement_First.focus();
				return false;
				} 

			if(form1.formElement_Last.value=="")
				{
				alert("Please Enter Your First Name.");
				form1.formElement_Last.focus();
				return false;
				} 
				
			//Email validation start	
			var e=form1.formElement_Email;
			if(e.value=="")
				{
					alert("Please Enter Your Valid Email address.");
					e.focus();
					return false;
				}

			var returnval=emailfilter.test(e.value)
			if (returnval==false){
			alert("Invalid Email Address.")
			//e.select();
			e.focus();
			return false;
			}
			//return returnval;
			//Email validation end

			if(form1.formElement_Email.value=="")
				{
				alert("Please Confirm you email address");
				form1.formElement_Email.focus();
				return false;
				} 

}