function launchsmall(url) {
	window.name = 'opener';
	remote = open(url, "", "resizable,status,scrollbars,width=350,height=280,left=200,top=100");
}

function launchbig(url) {
	window.name = 'opener';
	remote = open(url, "", "resizable,status,scrollbars,width=350,height=310,left=200,top=100");
}

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) {
		btn_news_over = newImage("/img/btn_news_over.gif");
		btn_events_over = newImage("/img/btn_events_over.gif");
		btn_fromdir_over = newImage("/img/btn_fromdir_over.gif");
		btn_legup_over = newImage("/img/btn_legup_over.gif");
		btn_techsp_over = newImage("/img/btn_techsp_over.gif");
		btn_legsp_over = newImage("/img/btn_legsp_over.gif");
		btn_directory_over = newImage("/img/btn_directory_over.gif");
		btn_links_over = newImage("/img/btn_links_over.gif");
		preloadFlag = true;
	}
}