function GetObj(objName){ 
	if(document.getElementById){ 
		return eval('document.getElementById("' + objName + '")'); 
	}else if(document.layers){ 
		return eval("document.layers['" + objName +"']"); 
	}else{ 
		return eval('document.all.' + objName); 
	} 
}

function bookmarkit(site,url)
{
	if (window.sidebar) {	
		window.sidebar.addPanel(site, url,"");	
	} 
	else if( window.external ) {
		window.external.AddFavorite(url, site); 
	}	
	else if(window.opera && window.print) {
		return true; 
	}
}


function setHomepage(url)
{
	if(document.all) {
		document.body.style.behavior  =   ' url(#default#homepage) ' ;
		document.body.setHomePage( url );
	}
	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 值该为true " );
			}
		}
		var  prefs  =  Components.classes[ ' @mozilla.org/preferences-service;1 ' ].getService(Components.interfaces.nsIPrefBranch);
		prefs.setCharPref( ' browser.startup.homepage ' ,  url );
	}
}