//validate form
function validateForm()
{
	trimFields();
	if(obj.first_name.value == "(First)" || obj.first_name.value == "")
	{
		alert("Please enter your First Name.");
		obj.first_name.focus();
		return;
	}
	if(obj.last_name.value == "(Last)" || obj.last_name.value == "")
	{
		alert("Please enter your Last Name.");
		obj.last_name.focus();
		return;
	}
	if(obj.email.value == "")
	{
		alert("Please enter your E-mail.");
		obj.email.focus();
		return;
	}
	if(!chkEmail(obj.email.value))
	{
		alert("Please enter a Valid E-mail.");
		obj.email.select();
		obj.email.focus();
		return;
	}
	if(obj.phone.value == "")
	{
		alert("Please enter your Phone.");
		obj.phone.focus();
		return;
	}
	if(obj.topic.selectedIndex == 0)
	{
		alert("Please Choose a Topic.");
		obj.topic.focus();
		return;
	}
	if(obj.message.value == "")
	{
		alert("Please enter your Message.");
		obj.message.focus();
		return;
	}
	//If validated
	obj.action = 'mail_process.php';
	obj.submit();
}