Util = {
	focusSearchField: function() {
		document.getElementById('main-search-form-input').focus();
	},
	onSearchFormError: function() {},
	getBrowserInfo: function() {
		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};
	},
	bookmark: function(a){
		var url = window.document.location;
		var title = window.document.title;
		var b = Util.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;
	},
	/* operations with cookies */
	getCookie: function(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			{
				if (c.indexOf(nameEQ) == 0) {
//					alert(c.substring(nameEQ.length,c.length))
					return decodeURIComponent(c.substring(nameEQ.length,c.length));
				}
			}
		}
		return null;
	},
	setCookie: function(name, value, days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
//		alert(name+"="+encodeURIComponent(value)+expires+"; path=/")
		document.cookie = name+"="+encodeURIComponent(value)+expires+"; path=/";
	},
	delCookie: function(name) {
		Util.setCookie(name, "", -1);
	}
}