function virtualpaginate(className,chunksize,elementType){
var elementType=(typeof elementType=="undefined")? "div" : elementType
this.pieces=virtualpaginate.collectElementbyClass(className,elementType)
this.chunksize=(typeof chunksize=="undefined")? 1 :(chunksize>0&&chunksize<this.pieces.length)? chunksize : this.pieces.length
this.pagecount=Math.ceil(this.pieces.length/this.chunksize)
this.showpage(-1)
this.currentpage=0
this.showpage(this.currentpage)}
virtualpaginate.collectElementbyClass=function(classname,element){
var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)","i")
var pieces=[]
var alltags=document.getElementsByTagName(element)
for(var i=0;i<alltags.length;i++){
if(typeof alltags[i].className=="string"&&alltags[i].className.search(classnameRE)!=-1)
pieces[pieces.length]=alltags[i]}
return pieces}
virtualpaginate.prototype.showpage=function(pagenumber){
var totalitems=this.pieces.length
var showstartindex=pagenumber*this.chunksize
var showendindex=showstartindex+this.chunksize-1
for(var i=0;i<totalitems;i++){
if(i>=showstartindex&&i<=showendindex)
this.pieces[i].style.display="block"
else
this.pieces[i].style.display="none"}
this.currentpage=parseInt(pagenumber)
if(this.cpspan)
this.cpspan.innerHTML=(this.currentpage+1)+'/'+this.pagecount}
virtualpaginate.prototype.paginate_build_selectmenu=function(paginatedropdown,anchortext){
var instanceOfBox=this
var anchortext=anchortext || new Array()
this.selectmenupresent=1
for(var i=0;i<this.pagecount;i++){
if(typeof anchortext[i]!="undefined")
paginatedropdown.options[i]=new Option(anchortext[i],i)
else
paginatedropdown.options[i]=new Option("Page "+(i+1)+" of "+this.pagecount,i)}
paginatedropdown.selectedIndex=this.currentpage
paginatedropdown.onchange=function(){
instanceOfBox.showpage(this.selectedIndex)}}
virtualpaginate.prototype.paginate_build_regularlinks=function(paginatelinks){
var instanceOfBox=this
for(var i=0;i<paginatelinks.length;i++){
var currentpagerel=paginatelinks[i].getAttribute("rel")
if(currentpagerel=="previous" || currentpagerel=="next" || currentpagerel=="first" || currentpagerel=="last")
paginatelinks[i].onclick=function(){
instanceOfBox.navigate(this.getAttribute("rel"))
return false}}}
virtualpaginate.prototype.paginate_build_flatview=function(flatviewcontainer,anchortext){
var instanceOfBox=this
var flatviewhtml=""
var anchortext=anchortext || new Array()
for(var i=0;i<this.pagecount;i++){
if(typeof anchortext[i]!="undefined")
flatviewhtml+='<a href="#flatview" rel="'+i+'">'+anchortext[i]+'</a> '
else
flatviewhtml+='<a href="#flatview" rel="'+i+'">'+(i+1)+'</a> '}
flatviewcontainer.innerHTML=flatviewhtml
this.flatviewlinks=flatviewcontainer.getElementsByTagName("a")
for(var i=0;i<this.flatviewlinks.length;i++){
this.flatviewlinks[i].onclick=function(){
instanceOfBox.flatviewlinks[instanceOfBox.currentpage].className=""
this.className="selected"
instanceOfBox.showpage(this.getAttribute("rel"))
return false}}
this.flatviewlinks[this.currentpage].className="selected"
this.flatviewpresent=true}
virtualpaginate.prototype.paginate_build_cpinfo=function(cpspan){
this.cpspan=cpspan
cpspan.innerHTML=(this.currentpage+1)+'/'+this.pagecount}
virtualpaginate.prototype.buildpagination=function(divid,optnavtext){
var instanceOfBox=this
var paginatediv=document.getElementById(divid)
if(this.chunksize==this.pieces.length){
paginatediv.style.display="none"
return}
var paginationcode=paginatediv.innerHTML
if(paginatediv.getElementsByTagName("select").length>0)
this.paginate_build_selectmenu(paginatediv.getElementsByTagName("select")[0],optnavtext)
if(paginatediv.getElementsByTagName("a").length>0)
this.paginate_build_regularlinks(paginatediv.getElementsByTagName("a"))
var allspans=paginatediv.getElementsByTagName("span")
for(var i=0;i<allspans.length;i++){
if(allspans[i].className=="flatview")
this.paginate_build_flatview(allspans[i],optnavtext)
else if(allspans[i].className=="paginateinfo")
this.paginate_build_cpinfo(allspans[i])}
this.paginatediv=paginatediv}
virtualpaginate.prototype.navigate=function(keyword){
if(this.flatviewpresent)
this.flatviewlinks[this.currentpage].className=""
if(keyword=="previous")
this.currentpage=(this.currentpage>0)? this.currentpage-1 :(this.currentpage==0)? this.pagecount-1 : 0
else if(keyword=="next")
this.currentpage=(this.currentpage<this.pagecount-1)? this.currentpage+1 : 0
else if(keyword=="first")
this.currentpage=0
else if(keyword=="last")
this.currentpage=this.pieces.length-1
this.showpage(this.currentpage)
if(this.selectmenupresent)
this.paginatediv.getElementsByTagName("select")[0].selectedIndex=this.currentpage
if(this.flatviewpresent)
this.flatviewlinks[this.currentpage].className="selected"}