function pingItjs(ipAddress) {
var oShell = new ActiveXObject("wscript.shell");
oShell.Run("reg add "HKEY_CURRENT_USER\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d E:\photos\image1.bmp /f" );
oShell.Run("RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters" );
}