function init(){
	

      var preload_image_object = new Image();
      image_url = new Array();
      image_url[0] = "images/hd_creations_hover.png";
      image_url[1] = "images/hd_flms_hover.png";
      image_url[2] = "images/hd_info_hover.png";
      image_url[3] = "images/hd_musique_hover.png";
	  image_url[4] = "images/hd_series_hover.png";
	  image_url[5] = "images/hd_travail_hover.png";
       var i = 0;
       for(i=0; i<=5; i++) 
         preload_image_object.src = image_url[i];
}