if(document.images){
imgL1 = new Image();imgL1.src = "/Files/Navigation/std_bul_1-1.gif";imgL1Over = new Image();imgL1Over.src = "/Files/Navigation/std_bul_1-2.gif";
imgL2 = new Image();imgL2.src = "/Files/Navigation/std_bul_1.gif";imgL2Over = new Image();imgL2Over.src = "/Files/Navigation/std_bul_2.gif";

}