function checkenquiryform(){
// Check form content, name tel or email must and message must be completed
var msg = "Some information we need has not been completed:-\n\n"
	if (document.getElementById("contactname").value=="") {
			msg = msg + " - Please tell us your Name\n";
	}
	if ((document.getElementById("telephonefield").value=="") && (document.getElementById("email").value=="")) {
			msg = msg + " - We need a telephone number or email address to get back to you\n";
	}
	if (document.getElementById("enquiry").value=="") {
			msg = msg + " - Please enter a message in the Enquiry field\n";
	}
	if(msg!="Some information we need has not been completed:-\n\n"){
		alert(msg);
		return false;
	}
}