/***********************************************
* Multi-Part Content script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
if (document.getElementById) {
  document.write('<style type="text/css">');
  document.write('.multiparts, #formnavigation{display:none;}');
  document.write('</style>');
}
var curpart=0;
function getElementbyClass(classname){
  partscollect=new Array();
  var inc=0;
  var alltags=document.all? document.all : document.getElementsByTagName("*");
  for (i=0; i<alltags.length; i++){
  if (alltags[i].className==classname)
    partscollect[inc++]=alltags[i];
  }
}

function cycleforward(){
  partscollect[curpart].style.display="none";
  curpart=(curpart<partscollect.length-1)? curpart+1 : 0;
  partscollect[curpart].style.display="block";
  updatenav();
}

function cycleback(){
  partscollect[curpart].style.display="none";
  curpart=(curpart>0)? curpart-1 : partscollect.length-1;
  partscollect[curpart].style.display="block";
  updatenav();
}

function updatenav(){
  document.getElementById("backbutton").style.visibility=(curpart==0)? "hidden" : "visible";
  document.getElementById("forwardbutton").style.visibility=(curpart==partscollect.length-1)? "hidden" : "visible";
}

function onloadfunct(){
  getElementbyClass("multiparts");
  partscollect[0].style.display="block";
  document.getElementById("formnavigation").style.display="block";
  updatenav();
}

if (window.addEventListener) {
  window.addEventListener("load", onloadfunct, false);
} else if (window.attachEvent) {
  window.attachEvent("onload", onloadfunct);
} else if (document.getElementById) {
  window.onload=onloadfunct;
}