//回车
function EnterPress(evt){
	  var evt=evt?evt:(window.event?window.event:null);//兼容IE和FF
	if (evt.keyCode==13){
		  SerchEnter();
	}
}
function setHomePage(url){
	if(!window.confirm("是否设置http://"+document.location.host+"为首页?")){
        return false;
    } 
    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'"); 
        } 
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage',url);
    }
}
function addBookmark(name,url){
	 if (window.sidebar) { // Mozilla Firefox
	    window.sidebar.addPanel(name, url, "");
		}else if (window.external) { // IE
		    window.external.AddFavorite(url, name);
		}else if (window.opera && window.print) {
		    window.external.AddFavorite(url, name);
		}else {
		    alert('not supported');
		}
}