/*#######################
show-and-hide.js
simple jquery based show hide functions work with classes
deveoped by Nafsin vk @ information village, Bahrain
for BIET web site
#########################*/
function hideSub(id) {
  $("."+id).hide('slow');
  return false;
}
function showSub(id) {
  $("."+id).show('slow');
  return false;
}
function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		$('.learning_resourses').hide();},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});

}
 $(document).ready(function(){					
	mainmenu();
});
// JavaScript Document