if(document.images)
{
  var image_array = new Array();
  
  	
  // path to the directory with images
  var path = 'http://www.fizzmod.com/images/';

  // Imagenes de menu superior images/menu/btn_seo_tools_off.png
  image_array[0] = path + "menu/btn_about_us_on.png";
  image_array[1] = path + "menu/btn_portfolio_on.png";
  image_array[2] = path + "menu/btn_enterprises_on.png";
  image_array[3] = path + "menu/btn_blog_on.png";
  image_array[4] = path + "menu/btn_quote_on.png";
  image_array[5] = path + "menu/btn_contact_us_on.png";
  image_array[6] = path + "menu/btn_home_on.png";
  image_array[7] = path + "menu/btn_seo_tools_on.png";
  
  // Imagenes de redes sociales
  image_array[8]  = path + "redes_sociales/btn_delicious_on.png";
  image_array[9]  = path + "redes_sociales/btn_digg_on.png";
  image_array[10] = path + "redes_sociales/btn_facebook_on.png";
  image_array[11] = path + "redes_sociales/btn_google_on.png";
  image_array[12] = path + "redes_sociales/btn_linkedin_on.png";
  image_array[13] = path + "redes_sociales/btn_reddit_on.png";
  image_array[14] = path + "redes_sociales/btn_share_us_on.png";
  image_array[15] = path + "redes_sociales/btn_stumble_upon_on.png";
  image_array[16] = path + "redes_sociales/btn_tell_a_friend_on.png";
  image_array[17] = path + "redes_sociales/btn_twitter_on.png";
  
  //boton siguiente web simplicity
  
  image_array[18] = path + "btn_next_on.png";
  image_array[19] = path + "btn_send_on.png";
  
  
  var preload_image = new Array ();
 
  for(var i=0; i<image_array.length; i++)
  {
    preload_image[i]= new Image();
    preload_image[i].src = image_array[i];
  }
 
}

function rollover(name, filename)
{
	var fullpath = 'images/' + filename;
	document.images[name].src = fullpath;
}