function doPreload()  {
   var the_images = new Array(
   "http://www.cityspaceresidential.com/images/gallery_heights2_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights3_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights4_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights5_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights6_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights7_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights8_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights9_lg.jpg", 
   "http://www.cityspaceresidential.com/images/gallery_heights1_sm-off.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights2_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights3_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights4_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights5_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights6_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights7_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights8_sm-on.jpg",
   "http://www.cityspaceresidential.com/images/gallery_heights9_sm-on.jpg")
      
   preloadImages(the_images);
}

function preloadImages(theImages)  {
   for(i = 0; i < theImages.length; i++)  {
      var theImage = new Image();
      theImage.src = theImages[i];
   }
}