var screenW = 1280, screenH = 1024;
if (parseInt(navigator.appVersion)>3) {
 screenW = screen.width;
 screenH = screen.height;
}
else if (navigator.appName == "Netscape"
    && parseInt(navigator.appVersion)==3
    && navigator.javaEnabled()
   )
{
 var jToolkit = java.awt.Toolkit.getDefaultToolkit();
 var jScreenSize = jToolkit.getScreenSize();
 screenW = jScreenSize.width;
 screenH = jScreenSize.height;
}

 var nDays = 2;
 var cookieName = "W";
 var cookieValue = screenW;
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=14;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString();

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