function CheckForEmptyEntries() // Client Side checking of blank entries
 {
 	var total=document.frmTAFMail.NoOfFriends.options[document.frmTAFMail.NoOfFriends.selectedIndex].text;
 	for (var i=1;i<=total;i++)
 	 {
 	 	if (document.all["idfname"+i].value=="") {alert ("No:" + i + " - Your friend's name is required");return;}
 	 	if (document.all["idfemail"+i].value=="") {alert ("No: " + i + " - Your friend's email address is required");return;}
 	 	if (isEmail(document.all["idfemail"+i].value)==false) {alert ("Invalid Email address");return;}
 	 }
 	document.frmTAFMail.NoOfFs.value=total;
 	// If Everything is ok then send the mail
 	document.frmTAFMail.submit();
 }
function isEmail(val)
{
	var iEmail = false;
	if (val.length > 0)
	{
		e = val
		if ((e.indexOf("@") > 0) && (e.indexOf(".") > 0) && (e.length > 5)) iEmail = true;
		else iEmail = false;
	}
	return iEmail;
}
function DisplayNoOfFriends()  // Changes the number of friends to refer
 {
 	var boundary=document.frmTAFMail.NoOfFriends.options[document.frmTAFMail.NoOfFriends.selectedIndex].text;
 	for (var i=1;i<=boundary;i++)
 	 {
 	 	var el=document.all["idFriendRow"+i];
                el.style.display="";
 	 }

 	for (var i=boundary;i<=10;i++)
 	 {
 	 	if (i==boundary) continue;
 	 	var el=document.all["idFriendRow"+i];
 	 	el.style.display="none";
 	 }

 }