//设为首页
function SetHome(obj,u){
var url=window.location.href;
try{
obj.style.behavior='url(#default#homepage)';obj.setHomePage( u );
}
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(u,t)
{
var url=window.location.href;
try
{
window.external.addFavorite( u , t );
}
catch (e)
{
try
{
window.sidebar.addPanel( t , u , "");
}
catch (e)
{
alert("加入收藏失败，请使用Ctrl+D进行添加");
}
}
}
    
<!--  
// 说明：JS 控制网页图片等比例缩放效果  
function ZoomImg(ImgD,FitWidth,FitHeight){
	var image=new Image();
	image.src=ImgD.src;
	if(FitWidth && FitHeight){
		if(image.width>0 && image.height>0){  
			if(image.width/image.height>= FitWidth/FitHeight) {  
				if(image.width>FitWidth){  
					ImgD.width=FitWidth;  
					ImgD.height=(image.height*FitWidth)/image.width;  
				}else{
					ImgD.width=image.width;  
					ImgD.height=image.height;  
				}
			}else{  
				if(image.height>FitHeight){  
					ImgD.height=FitHeight;  
					ImgD.width=(image.width*FitHeight)/image.height;  
				}else{  
					ImgD.width=image.width;  
					ImgD.height=image.height;  
				}  
			}  
		}
	}else{
		if(FitWidth && (image.width > FitWidth)){
			ImgD.width=FitWidth;
		}
		if(FitHeight && (image.height > FitHeight)){
			ImgD.height=FitHeight;  
		}
	}
}