/*
 * $Id: universal.js 219 2004-05-31 21:04:26Z tim $
 */
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
	if (document.images && (loaded == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			if (document[changeImages.arguments[i]]) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			} else {
				changeImages.arguments[i].src = changeImages.arguments[i+1];
			}
		}
	}
}
var loaded;
function preloadImages() {
	for (var i=0;i<preloadImages.arguments.length;i++) {
		newImage(preloadImages.arguments[i]);
	}
	loaded = true;
}

function popImage(img, alt) {
	url = '/imageviewer.php?pic='+img+'&alt='+alt;
	window.open(url, 'ImageZoom', 'width=435,height=495');
}

function popDesc(title, id){
		url = '/descviewer.php?title='+title+'&oid='+id;
		window.open(url, 'Description', 'width=600,height=400,scrollbars=yes,resizable=yes')
	}

function bookmark(url,title){
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
  window.external.AddFavorite(url,title);
  } else if (navigator.appName == "Netscape") {
    window.sidebar.addPanel(title,url,"");
  } else {
    alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
  }
}