var _dropinslideshowcount=0
function dropinslideshow(imgarray, w, h, delay){
this.id="_dropslide"+(++_dropinslideshowcount)
this.createcontainer(parseInt(w), parseInt(h))
this.delay=delay
this.imgarray=imgarray
var preloadimages=[]
for (var i=0; i<imgarray.length; i++){preloadimages[i]=new Image()
preloadimages[i].src=imgarray[i][0]}
this.animatestartpos=parseInt(h)*(-1)
this.slidedegree=30
this.slidedelay=10
this.activecanvasindex=0
this.curimageindex=0
this.zindex=10
this.isMouseover=0
this.init()}
dropinslideshow.prototype.createcontainer=function(w, h){
document.write('<div id="'+this.id+'" style="position:relative; width:'+w+'px; height:'+h+'px; overflow:hidden">')
document.write('<div style="position:absolute; width:'+w+'px; height:'+h+'px; top:0;"></div>')
document.write('<div style="position:absolute; width:'+w+'px; height:'+h+'px; top:-'+h+'px;"></div>')
document.write('</div>')
this.slideshowref=document.getElementById(this.id)
this.canvases=[]
this.canvases[0]=this.slideshowref.childNodes[0]
this.canvases[1]=this.slideshowref.childNodes[1]}
dropinslideshow.prototype.populatecanvas=function(canvas, imageindex){
var imageHTML='<img src="'+this.imgarray[imageindex][0]+'" style="border: 0" />'
if (this.imgarray[imageindex][1]!="")
imageHTML='<a href="'+this.imgarray[imageindex][1]+'" target="'+this.imgarray[imageindex][2]+'">'+imageHTML+'</a>'
canvas.innerHTML=imageHTML}
dropinslideshow.prototype.animateslide=function(){
if (this.curimagepos<0){
this.curimagepos=this.curimagepos+this.slidedegree
this.activecanvas.style.top=this.curimagepos+"px"}
else{clearInterval(this.animatetimer)
this.activecanvas.style.top=0
this.setupnextslide()
var slideshow=this
setTimeout(function(){slideshow.rotateslide()}, this.delay)}}
dropinslideshow.prototype.setupnextslide=function(){
this.activecanvasindex=(this.activecanvasindex==0)? 1 : 0
this.activecanvas=this.canvases[this.activecanvasindex]
this.activecanvas.style.top=this.animatestartpos+"px"
this.curimagepos=this.animatestartpos
this.activecanvas.style.zIndex=(++this.zindex)
this.curimageindex=(this.curimageindex<this.imgarray.length-1)? this.curimageindex+1 : 0
this.populatecanvas(this.activecanvas, this.curimageindex)}
dropinslideshow.prototype.rotateslide=function(){
var slideshow=this
if (this.isMouseover)
setTimeout(function(){slideshow.rotateslide()}, 50)
else
this.animatetimer=setInterval(function(){slideshow.animateslide()}, this.slidedelay)}
dropinslideshow.prototype.init=function(){
var slideshow=this
this.populatecanvas(this.canvases[this.activecanvasindex], 0)
this.setupnextslide()
this.slideshowref.onmouseover=function(){slideshow.isMouseover=1}
this.slideshowref.onmouseout=function(){slideshow.isMouseover=0}
setTimeout(function(){slideshow.rotateslide()}, this.delay)}
