if(document.images){
img88 = new Image();img88.src = "Files/Navigation/menu_1.gif";img88Over = new Image();img88Over.src = "Files/Navigation/menu_2.gif";
img73 = new Image();img73.src = "Files/Navigation/menu_1.gif";img73Over = new Image();img73Over.src = "Files/Navigation/menu_2.gif";
imgL1 = new Image();imgL1.src = "Files/Navigation/menu_1.gif";imgL1Over = new Image();imgL1Over.src = "Files/Navigation/menu_2.gif";

}