function logout (){
	var del = confirm("Are you sure you want to log out?");
	if (del == true){
		var loc = "login.php?logout=yes";
		parent.top.location.href=loc;
	}
}
function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
   } else {
      obj.style.display="block";
   }
}