function validate(){
	
	if(document.contact.Name.value==""){
		alert('Please enter your name');
		document.contact.Name.focus();
		return false;
	}
	
	if(document.contact.Location.value==""){
		alert('Please enter your location');
		document.contact.Location.focus();
		return false;
	}
	
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contact.Email.value)){
	} else {
	alert("Please enter a valid email address");
	document.contact.Email.focus();
	return false;
	}
		
	if(document.contact.comments.value==""){
		alert('Please enter your comment');
		document.contact.comments.focus();
		return false;
	}
	
	
	document.contact.submit();
}// JavaScript Document