function popup(a, b, c, d) {
	window.open(a,b,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width="+c+",height="+d+",outerwidth="+(c+20)+",outerheight="+(d+20));
}
function linkto(addressto) {	
	window.location = addressto;
}
function linktoadv(addressto, addresstopre) {
	window.location = addresstopre + addressto;
}
function setFavorite(url,title) {
	if (document.all) {
		external.AddFavorite(url, title);
	} else {
		if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) 
		{ 
		    window.sidebar.addPanel(title,url,""); 
		} else { 
		    alert('Sorry, you can only add the tab if you\'re running Netscape 6 or Mozilla.');
		} 
	}
}