function doZoom(size) 
{ 
	//var zoom=document.all?document.all['Zoom']:document.getElementById('Zoom'); 
	var ZoomSC=document.all?document.all['ZoomSC']:document.getElementById('ZoomSC'); 
	//ZoomSC
	ZoomSC.style.fontSize=size+'px'; 
} 


//改变图片大小
function resizepic(thispic)
{
  return true;
}
//无级缩放图片大小
function bbimg(o)
{
  return true;
}






<!-- //设为首页-->

function SetHome(obj)

{
	
	var url= "http://www.scpower.com.cn"; //window.location.href;
	try
	{
	obj.style.behavior='url(#default#homepage)';obj.setHomePage(url);
	}
	catch(e)
	{
		if(window.netscape) {
			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]的值设置为'true',双击即可。");
				}
			var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
			prefs.setCharPref('browser.startup.homepage',url);
			}
	}
}


<!--//添加到收藏夹-->
function AddFavorite( url ,title)
{
	if (url =="")	url=window.location.href;
try
{
window.external.addFavorite(url,title);
}
catch (e)
{
try
{
window.sidebar.addPanel(title, url, "");
}
catch (e)
{
alert("加入收藏失败，请使用Ctrl+D进行添加");
}
}
}
