// JavaScript Document

function check() {

var name = document.serch.name;
var email = document.serch.email;
var phone = document.serch.phone;
var s1 = document.serch.s1;

if ( name.value=="") {
	alert("Enter your Name.");
	name.focus();
	return false;
} 

if ((email.value.indexOf("@") == -1) || (email.value.indexOf(".") == -1)) {
	alert("Enter your valid email address.");
	email.focus();
	return false;

} 

if (! (parseInt(phone.value) > 0)) {
	alert("Enter your phone no.");
	phone.focus();
	return false;

} 

if (s1.selectedIndex == 0) {
	alert("Select a choice");
	s1.focus();
	return false;

} 
return true;
}