if (document.images) {

clearpix = new Image();
clearpix.src = "/graphics/clear.gif";

muse_on = new Image();
muse_on.src = "graphic/navbutton-museon.gif";
muse_off = new Image();
muse_off.src = "graphic/navbutton-muse.gif";

art_on = new Image();
art_on.src = "graphic/navbutton-arton.gif";
art_off = new Image();
art_off.src = "graphic/navbutton-art.gif";

words_on = new Image();
words_on.src = "graphic/navbutton-wordson.gif";
words_off = new Image();
words_off.src = "graphic/navbutton-words.gif";

XXX_on = new Image();
XXX_on.src = "graphic/navbutton-XXXon.gif";
XXX_off = new Image();
XXX_off.src = "graphic/navbutton-XXX.gif";

XXX_on = new Image();
XXX_on.src = "graphic/navbutton-XXXon.gif";
XXX_off = new Image();
XXX_off.src = "graphic/navbutton-XXX.gif";

XXX_on = new Image();
XXX_on.src = "graphic/navbutton-XXXon.gif";
XXX_off = new Image();
XXX_off.src = "graphic/navbutton-XXX.gif";

XXX_on = new Image();
XXX_on.src = "graphic/navbutton-XXXon.gif";
XXX_off = new Image();
XXX_off.src = "graphic/navbutton-XXX.gif";

XXX_on = new Image();
XXX_on.src = "graphic/navbutton-XXXon.gif";
XXX_off = new Image();
XXX_off.src = "graphic/navbutton-XXX.gif";

}
function changeimg()
{
	if (document.images) {
		for (var i=0; i<changeimg.arguments.length; i+=2)
		{
			document[changeimg.arguments[i]].src = eval(changeimg.arguments[i+1] + ".src");
			//point();
		}
	}
	
	
}

function point()
{
   this.style.cursor = 'pointer';
}

function toggle(obj)
{
	if (document.images) {
	document.getElementById(obj).className = (document.getElementById(obj).className=='selected') ? 'unselected' : 'selected';
	}
}