function addFavorite(){
	if(document.all){
		window.external.addFavorite('http://www.sgcai.com','上古彩-www.sgcai.com');
	}else if (window.sidebar){
		window.sidebar.addPanel('上古彩-www.sgcai.com', 'http://www.sgcai.com', "");
	}
}
function setHomePage(){
	if (document.all){
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage('http://www.sgcai.com');
	}else if (window.sidebar){
		if(window.netscape){
			try{ 
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
			}catch(e){ 
				alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值改为true" ); 
			}
		} 
	    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
	    prefs.setCharPref('browser.startup.homepage','http://www.sgcai.com');
	}
}