function validateContact(){
	var root = document.contact
	var name = root.name.value;
	var email = root.email.value;
	var countries = root.countries.value;
	var subject = root.subject.value;
	var comments = root.comments.value;
	
	if(name == ''){
		alert('Please insert you name.');
		root.name.focus();
		return false;
	}
	if(email==''){
		alert("Please specify an email address.");
		root.email.focus();
		return false;
	}
	var pattern = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;

	flag=email.match(pattern);
	if(!flag){
		alert('Please insert a valid email address.');
		root.email.focus();
		return false;
	}
	if(countries==''){
		alert("Please select a country from the drop down menu.");
		root.countries.focus();
		return false;
	}
	if(subject==''){
		alert("Please enter your subject.");
		root.subject.focus();
		return false;
	}
	if(comments==''){
		alert("Please enter your comments.");
		root.comments.focus();
		return false;
	}
}