function check()
{
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	var error="";
	if (document.getElementById("contactForm").name.value=="")
		error+="Your name must be entered.\n";
	if (document.getElementById("contactForm").phone.value=="")
		error+="Your phone number must be entered.\n";
	if (document.getElementById("contactForm").company.value=="")
		error+="Your company must be entered.\n";
	if (document.getElementById("contactForm").address.value=="")
		error+="Your street address must be entered.\n";
	if (document.getElementById("contactForm").city.value=="")
		error+="Your city must be entered.\n";
	if (document.getElementById("contactForm").state.value=="")
		error+="Your state must be entered.\n";
	if (document.getElementById("contactForm").zip.value=="")
		error+="Your zip code must be entered.\n";
	if (document.getElementById("contactForm").email.value=="") 
		error+="Your e-mail address must be entered.\n";
	if (document.getElementById("contactForm").workshop.value=="") 
		error+="Your workshop choice must be entered.\n";
	if (document.getElementById("contactForm").date.value=="") 
		error+="The date of the workshop must be entered.\n";				
	if (!filter.test(document.getElementById("contactForm").email.value))
			{error+="Please enter your complete e-mail address.\n";}
	if (error!="")
		alert(error);
	else
		document.getElementById("contactForm").submit();
}