// JavaScript Document
function field_validation(thisform){
		
	if(thisform.email.value==""){
		alert("Please enter your email address.");
		thisform.email.focus();
		return false;
	}else{		
		var filter=/^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$/i
		if (filter.test(thisform.email.value)){
			testresults=true;
		}else{
			alert ("Please enter a valid Email address");
			thisform.email.focus();
			return false;
		}		
	}
}