// JavaScript Document
function ImgLoad()
{
Img1 = new Image(222, 37);
Img1.src="im/pre.gif";
Img2 = new Image(222, 37);
Img2.src="im/ele.gif";
Img3 = new Image(222,37);
Img3.src="im/durv.gif";
Img4 = new Image(222, 37);
Img4.src="im/met.gif";
Img5 = new Image(222, 27);
Img5.src="im/inst.gif";


ImgOver1 = new Image(222, 37);
ImgOver1.src="im/pre-h.gif";
ImgOver2 = new Image(222, 37);
ImgOver2.src="im/ele-h.gif";
ImgOver3 = new Image(222, 37);
ImgOver3.src="im/durv-h.gif";
ImgOver4 = new Image(222, 37);
ImgOver4.src="im/met-h.gif";
ImgOver5 = new Image(222, 27);
ImgOver5.src="im/inst-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"); 
  };
 };
};// JavaScript Document// JavaScript Document