function loadPatches(dir) {
	if (document.getElementsByTagName() && document.createElement()) {
		var head = document.getElementsByTagName("head")[0];
		if (head) {
			var css = new Array();
			if (isSaf()) {
				css.push("saf.css");
			} else if (isOp()) {
				css.push("opera.css");
			}
			if (css.length) {
				var link = document.createElement("link");
				link.setAttribute("rel", "stylesheet");
				link.setAttribute("type", "text/css");
				link.setAttribute("media", "screen, projection");
				for (var i = 0; i < css.length; i++) {
					var tag = link.cloneNode(true);
					tag.setAttribute("href", dir + css[0]);
					head.appendChild(tag);
				}
			}
		}
	}
}