/*加入本机书签*/
function add_bookmark() {
	var title = document.title;
	var url = window.location;
	if (window.sidebar) {
		window.sidebar.addPanel(title, url,"");
	} else if( document.all ) {
		window.external.AddFavorite( url, title);
	} else if( window.opera && window.print ) {
		return true;
	}
}

function isIE() {
	if(document.all) return true;
	return false;
}

/*设置为首页*/
function set_homepage(url){
	if (document.all)
	{
		document.body.style.behavior='url(#default#homepage)';
		document.body.setHomePage(url);
	}else{
		if (window.sidebar)
		{
			try {
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			}
			catch (e)
			{
				alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'");
				return false;
			}
			var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
			prefs.setCharPref('browser.startup.homepage',url);

		}
	}
}