/***********************************************
* 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
***********************************************/

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(){
ary_multiparts_collected[curpart].style.display="none"
ary_thumbmultiparts_collected[curpart].style.display="none"
curpart=(curpart<ary_multiparts_collected.length-1)? curpart+1 : 0
ary_multiparts_collected[curpart].style.display="block"
ary_thumbmultiparts_collected[curpart].style.display="block"
updatenav()
}

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

function jumptoslide(selected_slide){
ary_multiparts_collected[curpart].style.display="none"
ary_thumbmultiparts_collected[curpart].style.display="none"
curpart=selected_slide
ary_multiparts_collected[curpart].style.display="block"
ary_thumbmultiparts_collected[curpart].style.display="block"
updatenav()
}

function updatenav(){
document.getElementById("formnavigation").style.visibility=(curpart==0)? "hidden" : "visible"
document.getElementById("formnavigationforward").style.visibility=(curpart==ary_multiparts_collected.length-1)? "hidden" : "visible"
}

function onloadfunct(){
getElementbyClass("multiparts")
ary_multiparts_collected = partscollect.slice()
ary_multiparts_collected[0].style.display="block"
getElementbyClass("thumbmultiparts")
ary_thumbmultiparts_collected = partscollect.slice()
ary_thumbmultiparts_collected[0].style.display="block"
document.getElementById("formnavigation").style.display="block"
document.getElementById("formnavigationforward").style.display="block"
updatenav()
}