function check_form()
{
	var name = $("input[name=name]");
	var email = $("input[name=email]");
	
	if(name.val() == '')
	{
		alert('Please input your name..');
		document.contact.name.focus();
		return(false);
	}
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.val())) 
	{
		alert("Please provide a valid email address..");
		document.contact.email.focus();
		return(false);
	}
	
	return(true);
}