function Emailvalid(email){
 	/*alert(email);*/
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(email))
		testresults=true;
	else{
	//alert("Please input a valid email address!");
		testresults=false;
	}
	return (testresults);
}