function submitContactForm() {

	var passed = "TRUE";
	
	if(document.forms['contactform'].name.value == "") passed = "FALSE";
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if(!filter.test(document.forms['contactform'].email.value)) passed = "FALSE"
	if(document.forms['contactform'].interest.value == "") passed = "FALSE";
	
	if(passed == "FALSE") {
		alert("Please fill in all required fields");
	}else{
		document.forms['contactform'].submit();
		alert("Thank you for your interest");
	}
}