if(document.images) {
        

        var  rooms1 = new Image();
        var  rooms2 = new Image();
        var  rates1 = new Image();
        var  rates2 = new Image();
        var  specials1 = new Image();
        var  specials2 = new Image();
        var  directions1 = new Image();
        var  directions2 = new Image();


     rooms1.src = "../images/common/sub_navon_rooms.gif";
     rooms2.src = "../images/common/sub_navoff_rooms.gif";
     rates1.src = "../images/common/sub_navon_rates.gif";
     rates2.src = "../images/common/sub_navoff_rates.gif";
     specials1.src = "../images/common/sub_navon_specials.gif";
     specials2.src = "../images/common/sub_navoff_specials.gif";
     directions1.src = "../images/common/sub_navon_directions.gif";
     directions2.src = "../images/common/sub_navoff_directions.gif"


}
function off(imgName) {
        if(document.images)
        document[imgName].src = eval(imgName + '1.src');
}
function on(imgName) {
        if(document.images)
        document[imgName].src = eval(imgName + '2.src');
}


function hiLite(imgDocID, imgObjName) {
    if (document.images) {
		document.images[imgDocID].src = eval(imgObjName + ".src");
	}
}