$(document).ready(function() {

$("#lLeftCol A, #lMenu A").hover(
  function () {
   el = $(this).find("img");
   str = el.attr("src").split( '.gif' );
   el.attr({ src: str[0]+"_o.gif"});
 },
 function () {
  el = $(this).find("img");
  str = el.attr("src").split( '_o.gif' );
  el.attr({ src: str[0]+".gif" });
 }
);

$.preloadImages(
 "_images/menu/m_o.gif","_images/menu/d_o.gif","_images/menu/dz_o.gif","_images/menu/l_o.gif","_images/menu/o_o.gif",
 "_images/home/l/m1_o.gif","_images/home/l/m2_o.gif","_images/home/l/m3_o.gif","_images/home/l/m4_o.gif","_images/home/l/m5_o.gif"
);





});

jQuery.preloadImages = function()
{
  for(var i = 0; i<arguments.length; i++)
  {
    jQuery("<img>").attr("src", arguments[i]);
  }
}