function validateForm()
{
	trimFields();
	if(obj.contact_name.value == "")
	{
		alert("Please enter your Name.");
		obj.contact_name.focus();
		return false;
	}
	if(obj.email.value == "")
	{
		alert("Please enter your Email.");
		obj.email.focus();
		return false;
	}
	if(!chkEmail(obj.email.value))
	{
		alert("Please enter a valid Email.");
		obj.email.select();
		obj.email.focus();
		return false;
	}
	if(obj.message.value == "")
	{
		alert("Please enter your Message.");
		obj.message.focus();
		return false;
	}
	if(obj.captcha.value == "")
	{
		alert("Please enter the charaters on the left.");
		obj.captcha.focus();
		return false;
	}
	obj.action = "contact_us.php";
	obj.submit();
}