Image1= new Image(160,81);
Image1.src = "/images/sidenavbg.gif";

Image2= new Image(120,28);
Image2.src = "/images/maintab.gif";

Image3= new Image(120,28);
Image3.src = "/images/maintab_on.gif";

Image4= new Image(960,70);
Image4.src = "/images/banner.gif";