var isLoaded = false;
function ImgLoad()
{
Img1 = new Image(11, 11);
Img1.src="im/ihome.gif";
Img2 = new Image(14, 9);
Img2.src="im/imail.gif";
Img3 = new Image(13, 13);
Img3.src="im/isite.gif";

ImgOver1 = new Image(11, 11);
ImgOver1.src="im/ihome-h.gif";
ImgOver2 = new Image(14, 9);
ImgOver2.src="im/imail-h.gif";
ImgOver3 = new Image(13, 13);
ImgOver3.src="im/isite-h.gif";

isLoaded = true;
};

function ChangeImg(imagename,objectsrc,flag)
{
 if (flag)
  {
   document.images[imagename].src=eval("ImgClick"+flag+".src");
  }
 else
 {
 if (isLoaded==true) 
  {
	document.images[imagename].src=eval(objectsrc+".src"); 
  };
 };
};