if(document.images){
// imgL1 = new Image();imgL1.src = "images/Level1_off.gif";imgL1Over = new Image();imgL1Over.src = "images/Level1_on.gif";
// imgL2 = new Image();imgL2.src = "Files/Navigation/2arrow.gif";imgL2Over = new Image();imgL2Over.src = "Files/Navigation/2arrow.gif";

}