$(document).ready(function(){ 
	$("ul#nav li ul").hover(function() {
					/* mouseover */ 
			$(this).parent().find("a::first").addClass("current");
		}, function(){ 
			/ *mouseout */ 
			$(this).parent().find("a::first").removeClass("current");	
		}
	);

   
   
   {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "../img/bg.gif";
      image_url[1] = "../img/link1_commun.png";
      image_url[2] = "../img/link1_commun_hover.png";
      image_url[3] = "../img/link1_link1_contact.png";
	  image_url[4] = "../img/link1_contact_hover.png";
      image_url[5] = "../img/link1_team.png";
      image_url[6] = "../img/link1_link1_team_hover.png";
      image_url[7] = "../img/logo.png";


       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }

 
 
 
 });