function validation()
{
	if(document.contact.name.value=="")
	{
		alert("Please input your Name.");
		document.contact.name.focus();
		return false
	}
	
	if(document.contact.phone.value=="")
	{
		alert("Please input your Phone.");
		document.contact.phone.focus();
		return false
	}
	
	if(document.contact.email.value=="")
	{
		alert("Please input your Email.");
		document.contact.email.focus();
		return false
	}
	
	if(document.contact.message.value=="")
	{
		alert("Please input your Message.");
		document.contact.message.focus();
		return false
	}
	
	return true;
}