if(document.images){
imgL4 = new Image();imgL4.src = "/Files/Navigation/../System/arrow_transparent.gif";imgL4Over = new Image();imgL4Over.src = "/Files/Navigation/../System/arrow_black.gif";
imgL5 = new Image();imgL5.src = "/Files/Navigation/../System/arrow_transparent.gif";imgL5Over = new Image();imgL5Over.src = "/Files/Navigation/../System/arrow_black.gif";

}