function preload () {	if (document.images) {		var i;		imgs = new Array();		imgs = arguments;		primgs = new Array();		for (i=0; i<imgs.length; i++) {			primgs[i] = new Image();			primgs[i].src = imgs[i];		}	}}function phpreload () {	if (document.images) {		var i;		phimgs = new Array();		phimgs = arguments;		phs = new Array();		for (i=0; i<phimgs.length; i++) {			phs[i+1] = new Image();			phs[i+1].src = phimgs[i];		}	}}function change() {	if (document.images) {		var i;		imgs = new Array();		imgs = arguments;		for (var i=0; i<imgs.length; i+=2)			document[imgs[i]].src = eval(imgs[i+1] + ".src");	}}function over (id) { document.images[id].src = 'g/' + id + 'act.gif'; }function _over (id) { document.images[id].src = 'g/' + id + '.gif'; }function overhv (id) { document.images[id].src = 'g/hvact.gif'; }function _overhv (id) { document.images[id].src = 'g/hv.gif'; }function openCenteredWindow(URL, name, width, height, resizable, status, scrollbars, menubar) {	if(resizable == null)		resizable = 'no';	if(status == null)		status = 'no';	if(scrollbars == null)		scrollbars = 'no';	if(menubar == null)		menubar = 'no';	var top = (screen.availHeight - height)/2;	var left = (screen.availWidth - width)/2;	var features = 'height='+height+',width='+width+',resizable='+resizable+',status='+status+',scrollbars='+scrollbars+',menubar='+menubar+',top='+top+',left='+left;	window.open(URL, name, features);}function portfolio(url) { openCenteredWindow(url,'',497,424); }