// JavaScript Document
function pr_check() {
	var frm=document.forms[0];
	for(i=0;i<=frm.elements.length-1;i++) {
		if(frm.elements[i].getAttribute("required")) {
			if(frm.elements[i].value=="") {
				 alert("Please fill in \""+frm.elements[i].getAttribute("required")+"\"");
 				 frm.elements[i].focus();
				 return false;
			}
		}
	}
	return true;
}