function preloader(){
      preload_image_object = new Image();
      image_url = new Array();
      image_url[0] = "themes/ruminationsmack/images/nav/btn_home_hover.png";
      image_url[1] = "themes/ruminationsmack/images/nav/btn_what_hover.png";
      image_url[2] = "themes/ruminationsmack/images/nav/btn_join_hover.png";
      image_url[3] = "themes/ruminationsmack/images/nav/btn_login_hover.png";
	  image_url[4] = "themes/ruminationsmack/images/nav/btn_MP_hover.png";
	  image_url[5] = "themes/ruminationsmack/images/nav/btn_LO_hover.png";
	  image_url[6] = "themes/ruminationsmack/images/nav/glass_hover.png";  
	  image_url[7] = "themes/ruminationsmack/images/nav/glass_hover.png";
	  image_url[8] = "themes/ruminationsmack/images/nav/glass_hover.png";
	  image_url[9] = "themes/ruminationsmack/images/nav/glass_hover.png";

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