<!--

function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}
function changeImagesArray(array) {
if (preloadFlag == true) {
var d = document; var img;
for (var i=0; i<array.length; i+=2) {
img = null; var n = array[i];
if (d.images) {img = d.images[n];}
if (!img && d.getElementById) {img = d.getElementById(n);}
if (img) {img.src = array[i+1];}
}
}
}
function changeImages() {
changeImagesArray(changeImages.arguments);
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
pre_tabu = newImage('/img/index_mainb.jpg');
pre_uta = newImage('/img/index_ub.jpg');
preloadFlag = true;
}
}

// -->