function checkForm(sampleForm)
{
	if(sampleForm.name.value == "") {
		alert("Please enter your Name");
		sampleForm.name.focus();
		return false;
	}
	if(sampleForm.email.value == "")
	{
		alert("Please enter your Email Address");
		sampleForm.email.focus();
		return false;
	}
	if(sampleForm.subject.value == "")
	{
		alert("Please select a Subject");
		sampleForm.subject.focus();
		return false;
	}
	if(sampleForm.message.value == "")
	{
		alert("Please enter a Message");
		document.contact_form.message.focus();
		return false;
	}
}