function validate(){
	if(document.getElementById("Name").value==""){
		alert("Please provide your name.");
		document.getElementById("Name").focus();
		return false;				
	}
	if(document.getElementById("Business").value==""){
		alert("Please provide the name of your company.");
		document.getElementById("Business").focus();
		return false;				
	}
	if(document.getElementById("Phone").value=="" && document.getElementById("Phone2").value=="" && document.getElementById("Email").value==""){
		alert("Please provide either a phone number or e-mail address.");
		document.getElementById("Phone").focus();
		return false;				
	}
	var zipLength = document.getElementById("Zip").value.length
	if(zipLength < 5 || zipLength > 10){
		alert("Please provide a valid zip code.");
		document.getElementById("Zip").focus();
		return false;
	}
	return true;
}