var isNav = (navigator.appName == "Netscape") ? true : false
var isMac = (navigator.appVersion.indexOf("Mac") != -1) ? true : false
var nd=navigator.userAgent.indexOf("Netscape/")
var isNs6=(navigator.userAgent.indexOf("Netscape6/")) ? true : false
var isNs7p = ((nd != -1) && !isMac) ? true : false
var isMoz=(!isMac && (navigator.userAgent.indexOf("Mozilla/5") != -1) && !isNs7p && !isNs6) ? true : false
var isMacIE = ((navigator.appVersion.indexOf("Mac") != -1)&&(navigator.appVersion.indexOf("MSIE") != -1)) ? true : false
var isCa = (navigator.userAgent.indexOf("Camino") != -1) ? true : false
var isAOL =((navigator.userAgent.indexOf("AOL") != -1) && isMac) ? true : false
if(isNs7p) {
var a1=navigator.userAgent.indexOf(" ",nd)
var aa=parseFloat(navigator.userAgent.substring(nd+9,a1))
if(aa >=7.1)isNs7p=true
else isNs7p=false
} 
var nonext
var str=unescape(window.location.href)
if(str.indexOf("busdir8.html") != -1)nonext=true
else nonext = false
//alert(nonext)
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
   if(pg ==1)pg=1
   window.location.href="busdir"+pg+".html"  
}
 if(!nonext) {
document.write('<form><img src="ra.gif" onClick="GetNext()"></form>')
}