var spacecon=21
    var stepcon,i=0
    var ib1=new Image()
    var ib2=new Image()
    var ib3=new Image()
    var ib4=new Image()
    var ib5=new Image()
    ib1.src="images/pre1.gif"
    ib2.src="images/pre2.gif"
    ib3.src="images/next1.gif"
    ib4.src="images/next2.gif"
    ib5.src="images/stepup.gif"
    function floatbutton(picname){
      document.sbt1.src=picname
      }
    function floatbutton1(picname){
      document.sbt2.src=picname
      }
      
    function floatbutton3(picname){
      document.sbt3.src=picname
      }
    function floatbutton4(picname){
      document.sbt4.src=picname
      }
    
    if(navigator.appName=="Netscape")
        stepcon=2
    else
        stepcon=1 
        
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);