var isNav = (navigator.appName == "Netscape") ? true : false
var isMac = (navigator.appVersion.indexOf("Mac") != -1) ? true : false
var isFive = (isNav && (navigator.appVersion.charAt(0) >= 5)) ? true : false
var isMacIE = ((navigator.appVersion.indexOf("Mac") != -1)&&(navigator.appVersion.indexOf("MSIE") != -1)) ? true : false
var ie4=document.all
if(ie4){
 if(navigator.appVersion.charAt(22)>=6)var ie6=document.getElementById&&document.all
}
var nonext
var str=unescape(window.location.href)
if(str.indexOf("s12.html") != -1)nonext=true
else nonext = false

function GetNext() {
var str
var newstr=""
str=unescape(window.location.href)

   for (var i = 0; i < str.length; i++) {
      var oneChar=str.charAt(i)
      if(oneChar >= "0" && oneChar <= "9") {
         newstr += oneChar       
      }
   }
   pg=Number(newstr)+1
   window.location.href="s"+pg+".html"
}
 if(!nonext) {
document.write('<form><img src="ra.gif" onClick="GetNext()"></form>')
 }