function over(source, imgname) {
	source.src = "images/" + imgname;
}

function SliceOver(source, imgname) {
	source.src = "images/oslices/" + imgname;
}

function SliceOut(source, imgname) {
	source.src = "images/slices/" + imgname;
}

function popWindow(pagename, windowName) {
	var PopWidth, PopHeight;
	PopWidth = 700;
	PopHeight = 500;
	var winl = (screen.width - PopWidth) / 2;
	var wint = (screen.height - PopHeight) / 2;
	winprops = 'height='+PopHeight+',width='+PopWidth+',top='+wint+',left='+winl+',scrollbars=yes,resizable=yes'
	win = window.open(pagename, windowName, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}