function FormCheck(formname)
{
	if (formname == "contactus")
	{
		retval = true;
		error = "";
		if ($('name').value == "") 
		{
			error = error + "name must be entered!\n";
		}
		if ($('email').value == "") 
		{
			error = error + "email address must be entered!\n";
		}
		else
		{
			if (validateEMAIL($('email').value)==false)	    
			{
				error = error + "email address \""+$('email').value+"\" is invalid!\n";
			}
		}
		if ($('message').value == "") 
		{
			error = error + "message must be entered!\n";
		}
		if (error != "") 
		{
			retval = false;
			alert(error);
		}
		return retval;
	}
}

function validateEMAIL(string)
{
	var addressPattern = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
	return addressPattern.test(string);
}