/***********************************************
* 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;