function validate()
{
	if (form1.name.value==0)
	{
		alert("Please Enter Your Name");
		form1.name.focus();
		return false;
	}
	
	if(form1.phone.value==0)
	{
		alert("Please Enter Your Phone Number");
		form1.phone.focus();
		return false;
		}
				
	if (form1.email.value==0)
	{
		alert("Please enter your email address.");
		form1.email.focus();
		return false;
	}
	
	var str = form1.email.value;
	var re = /^([a-zA-Z0-9-_\.]+@([a-zA-Z0-9-_]+\.)+[a-zA-Z]{2,4})$/;
	if (re.test(str))
	{
	}
	else
	{
	alert("" + str + " is not a valid email address");
	form1.email.focus();
	return false;
	}
	if(form1.query.value==0)
	{
		alert("Please Enter Your Query / Comments");
		form1.query.focus();
		return false;
		}
	
	form1.action="mail.php";
	form1.submit();
}