function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
shop_24over = newImage("shop_img/shop_24over.gif");
shop_25over = newImage("shop_img/shop_25over.gif");
shop_29over = newImage("shop_img/shop_29over.gif");
shop_34over = newImage("shop_img/shop_34over.gif");
shop_26over = newImage("shop_img/shop_26over.gif");
shop_27over = newImage("shop_img/shop_27over.gif");
shop_28over = newImage("shop_img/shop_28over.gif");
shop_32over = newImage("shop_img/shop_32over.gif");
shop_39over = newImage("shop_img/shop_39over.gif");
shop_30over = newImage("shop_img/shop_30over.gif");
shop_31over = newImage("shop_img/shop_31over.gif");
shop_33over = newImage("shop_img/shop_33over.gif");
shop_35over = newImage("shop_img/shop_35over.gif");
shop_37over = newImage("shop_img/shop_37over.gif");
shop_40over = newImage("shop_img/shop_40over.gif");
shop_36over = newImage("shop_img/shop_36over.gif");
shop_38over = newImage("shop_img/shop_38over.gif");
shop_41over = newImage("shop_img/shop_41over.gif");
preloadFlag = true;
}
}