function isEmail(entry){
	var rex= /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,5})(\]?)$/;
	return rex.test(entry);
}

function checkSubscibeForm(frm){
	if(isEmail(frm.elements["email"].value)){
		return true;
	}
	else{
		alert("Please enter correct email address!");
		frm.elements["email"].focus();
		return false;
	}
}


function checkUnsubscribeForm(frm){
	if(isEmail(frm.elements["email"].value)){
		return true;
	}
	else{
		alert("Please enter correct email address!");
		frm.elements["email"].focus();
		return false;
	}
}

function ReportLink(sid,lid, url){
	var bWin = null;
	bWin = window.open(url + "reportlink.php?sid=" + sid + "&lid=" + lid, 
		"ReportLink", "toolbar=no,menubar=no,status=no,directories=no,resizable=no,scrollbars=no,top=20,left=20,width=500,height=500"
	);
	while(bWin==null);
	bWin.focus();
}