// preload images:
if (document.images) {
yosimage1 = new Image(153,19); yosimage1.src = "images/left_nav/nav1_off.gif";
yosimage2 = new Image(153,19); yosimage2.src = "images/left_nav/nav1_on.gif";
yosimage3 = new Image(153,19); yosimage3.src = "images/left_nav/nav2_off.gif";
yosimage4 = new Image(153,19); yosimage4.src = "images/left_nav/nav2_on.gif";
yosimage5 = new Image(153,19); yosimage5.src = "images/left_nav/nav3_off.gif";
yosimage6 = new Image(153,19); yosimage6.src = "images/left_nav/nav3_on.gif";
yosimage7 = new Image(153,19); yosimage7.src = "images/left_nav/nav4_off.gif";
yosimage8 = new Image(153,19); yosimage8.src = "images/left_nav/nav4_on.gif";
yosimage9 = new Image(153,19); yosimage9.src = "images/left_nav/nav5_off.gif";
yosimage10 = new Image(153,19); yosimage10.src = "images/left_nav/nav5_on.gif";
yosimage11 = new Image(153,19); yosimage11.src = "images/left_nav/nav6_off.gif";
yosimage12 = new Image(153,19); yosimage12.src = "images/left_nav/nav6_on.gif";
yosimage13 = new Image(153,19); yosimage13.src = "images/left_nav/nav7_off.gif";
yosimage14 = new Image(153,19); yosimage14.src = "images/left_nav/nav7_on.gif";
yosimage15 = new Image(153,19); yosimage15.src = "images/left_nav/nav8_off.gif";
yosimage16 = new Image(153,19); yosimage16.src = "images/left_nav/nav8_on.gif";
yosimage17 = new Image(153,19); yosimage17.src = "images/left_nav/nav9_off.gif";
yosimage18 = new Image(153,19); yosimage18.src = "images/left_nav/nav9_on.gif";
yosimage19 = new Image(153,19); yosimage19.src = "images/left_nav/nav10_off.gif";
yosimage20 = new Image(153,19); yosimage20.src = "images/left_nav/nav10_on.gif";
yosimage21 = new Image(153,19); yosimage21.src = "images/left_nav/nav11_off.gif";
yosimage22 = new Image(153,19); yosimage22.src = "images/left_nav/nav11_on.gif";
yosimage23 = new Image(153,19); yosimage23.src = "images/left_nav/nav12_off.gif";
yosimage24 = new Image(153,19); yosimage24.src = "images/left_nav/nav12_on.gif";
yosimage25 = new Image(153,19); yosimage25.src = "images/left_nav/nav13_off.gif";
yosimage26 = new Image(153,19); yosimage26.src = "images/left_nav/nav13_on.gif";
}

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