function LoadTabs() {
	
    if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "images/buttons/home_s.jpg";
      image_url[1] = "images/buttons/software_s.jpg";
      image_url[2] = "images/buttons/web_s.jpg";
      image_url[3] = "images/buttons/business_s.jpg";
	  image_url[4] = "images/buttons/technology_s.jpg";
	  image_url[5] = "images/buttons/company_s.jpg";
	  
	  image_url[6] = "images/buttons/home.jpg";
      image_url[7] = "images/buttons/software.jpg";
      image_url[8] = "images/buttons/web.jpg";
      image_url[9] = "images/buttons/business.jpg";
	  image_url[10] = "images/buttons/technology.jpg";
	  image_url[11] = "images/buttons/company.jpg";

       var i = 0;
       for(i=0; i<=11; i++) 
         preload_image_object.src = image_url[i];
    }
}
jQuery.show = function(div, dir) { 
			//document[div].src = dir + 'images/buttons/'+div+'_s.jpg';
			jQuery('img[name="'+div+'"]').attr('src',dir + 'images/buttons/'+div+'_s.jpg');
}
jQuery.hide = function(div, dir) {	 	
			//document[div].src = dir + 'images/buttons/'+div+'.jpg';
			jQuery('img[name="'+div+'"]').attr('src',dir + 'images/buttons/'+div+'.jpg');
}