<!--
img_dir="./images";
function pItem (name, width, height) {
	this.on = new Image();
	this.on.src =img_dir+"/"+name + "O.gif"
	this.off = new Image();
	this.off.src =img_dir+"/"+ name + "N.gif"
}
function p_new (name) {
	pItem[name] = new pItem(name);
}
function img_act (imgName) {
    if (document.images) document[imgName].src = pItem[imgName].on.src;
}
function img_inact (imgName) {
    if (document.images) document [imgName].src = pItem[imgName].off.src;
}
function load_p (name, num) {
	for (i = 1; i <= num; i++) p_new(name + i);
}
if (document.images != null) load_p ('icon0', 6);
// -->