// JavaScript Document
function tellverify() {
var themessage = "You are required to complete the following fields: ";
if (document.tellafriend.yourname.value=="") {
themessage = themessage + "  Name";
}
if (document.tellafriend.youremail.value=="") {
themessage = themessage + "  E-mail";
}
if (document.tellafriend.friendname.value=="") {
themessage = themessage + "  Friend's Name";
}
if (document.tellafriend.friendemail.value=="") {
themessage = themessage + "  Friend's E-mail";
}

if (themessage == "You are required to complete the following fields: ") {
document.tellafriend.submit();
}
else {
alert(themessage);
return false;
   }
}