/***********************************************
* 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('.items, #formnavigation{display:block;}')
	document.write('.items {height: 180px;overflow: hidden;')
	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("items")
	//if(partscollection != null && partscollection[0])
		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