// JavaScript Nora Valdez

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) {
		home_over = newImage("images/home-over.gif");
		about_over = newImage("images/about-over.gif");
		symposiums_over = newImage("images/symposiums-over.gif");
		stone_over = newImage("images/stone-over.gif");
		install_over = newImage("images/install-over.gif");
		projects_over = newImage("images/projects-over.gif");
		contact_over = newImage("images/contact-over.gif");
		preloadFlag = true;
	}
}

var win = '';
function popitup(winURL, ht, wid)
{
  win = window.open(winURL, "nora", "height="+ht+",width="+wid+",scrollbars,resizable=1,left=0,top=0,screenX=0,screenY=0");
  wid2 = parseInt(wid) + 2;
  ht30 = parseInt(ht) + 30;
  win.resizeTo(wid2, ht30);
   if (win.opener == null) win.opener = self;
   win.focus();
}