function getBrowserInfo() {
			var t,v = undefined;
			if (window.opera) t = 'Opera';
			else if (document.all) {
				t = 'IE';
				var nv = navigator.appVersion;
				var s = nv.indexOf('MSIE')+5;
				v = nv.substring(s,s+1);
			}
			else if (navigator.appName) t = 'Netscape';
			return {type:t,version:v};
		};
 
		function bookmark(a){
			var url = window.document.location;
			var title = window.document.title;
			var b = getBrowserInfo();
			if (b.type == 'IE' && 7 > b.version && b.version >= 4) window.external.AddFavorite(url,title);
			else if (b.type == 'Opera') {
				a.href = url;
				a.rel = "sidebar";
				a.title = url+','+title;
				return true;
			}
			else if (b.type == "Netscape") window.sidebar.addPanel(title,url,"");
			else alert("Нажмите CTRL-D, чтобы добавить страницу в закладки.");
			return false;
		};