var global_transitions_small=[ //array of IE transition strings
 "progid:DXImageTransform.Microsoft.Barn()",
 "progid:DXImageTransform.Microsoft.Blinds()",
 "progid:DXImageTransform.Microsoft.CheckerBoard()",
 "progid:DXImageTransform.Microsoft.Fade()",
 "progid:DXImageTransform.Microsoft.GradientWipe()",
 "progid:DXImageTransform.Microsoft.Inset()",
 "progid:DXImageTransform.Microsoft.Iris()",
 "progid:DXImageTransform.Microsoft.Pixelate()",
 "progid:DXImageTransform.Microsoft.RadialWipe()",
 "progid:DXImageTransform.Microsoft.RandomBars()",
 "progid:DXImageTransform.Microsoft.RandomDissolve()",
 "progid:DXImageTransform.Microsoft.Slide()",
 "progid:DXImageTransform.Microsoft.Spiral()",
 "progid:DXImageTransform.Microsoft.Stretch()",
 "progid:DXImageTransform.Microsoft.Strips()",
 "progid:DXImageTransform.Microsoft.Wheel()",
 "progid:DXImageTransform.Microsoft.Zigzag()"
]

var global_transitions=[ //array of IE transition strings
 "progid:DXImageTransform.Microsoft.RandomDissolve()",
 "progid:DXImageTransform.Microsoft.Fade()", 
 "progid:DXImageTransform.Microsoft.Spiral()",
 "progid:DXImageTransform.Microsoft.Iris()",
 "progid:DXImageTransform.Microsoft.Wheel()"
]

function flashyslideshow(setting){
 this.wrapperid=setting.wrapperid
 this.imagearray=setting.imagearray
 this.pause=setting.pause
 this.transduration=setting.transduration/1000 //convert from miliseconds to seconds unit to pass into el.filters.play()
 this.currentimg=0
 var preloadimages=[] //temp array to preload images
  for (var i=0; i<this.imagearray.length; i++){
  preloadimages[i]=new Image()
  preloadimages[i].src=this.imagearray[i][0]
 }
 document.write('<div id="'+this.wrapperid+'" class="'+setting.wrapperclass+'">'+this.getSlideHTML(this.currentimg)+'</div>')
 var effectindex; //=Math.floor(Math.random()*global_transitions.length) //randomly pick a transition to utilize
 var wrapperdiv=document.getElementById(this.wrapperid)
 if (wrapperdiv.filters){ //if the filters[] collection is defined on element (only in IE)
    if (this.wrapperid.substring(0,5) == "small") {
        effectindex=Math.floor(Math.random()*global_transitions_small.length) //randomly pick a transition to utilize
        wrapperdiv.style.filter=global_transitions_small[effectindex] //define transition on element
    } else {
        effectindex=Math.floor(Math.random()*global_transitions.length) //randomly pick a transition to utilize
        wrapperdiv.style.filter=global_transitions[effectindex] //define transition on element
    }
  this.pause+=setting.transduration //add transition time to pause
 }
 this.filtersupport=(wrapperdiv.filters && wrapperdiv.filters.length>0)? true : false //test if element supports transitions and has one defined
 var slideshow=this
 setInterval(function(){slideshow.rotate()}, this.pause)
}

flashyslideshow.prototype.getSlideHTML=function(index){
 var txtdesc = (this.imagearray[index][3])? this.imagearray[index][3] : ''
 var slideHTML=(this.imagearray[index][1])? '<a href="'+this.imagearray[index][1]+'" title="' + txtdesc + '">\n' : '' //hyperlink slide?  target="'+this.imagearray[index][1]+'">
 slideHTML+='<img src="'+this.imagearray[index][0]+'" alt="' + txtdesc + '" /></img>'
 slideHTML+=(this.imagearray[index][1])? '</a>' : ''
 //slideHTML+=(this.imagearray[index][3])? this.imagearray[index][3] : '' //text description?
 return slideHTML //return HTML for the slide at the specified index
}

flashyslideshow.prototype.rotate=function(){
 var wrapperdiv=document.getElementById(this.wrapperid)
 this.currentimg=(this.currentimg<this.imagearray.length-1)? this.currentimg+1 : 0
 if (this.filtersupport)
  wrapperdiv.filters[0].apply()
 wrapperdiv.innerHTML=this.getSlideHTML(this.currentimg)
 if (this.filtersupport)
  wrapperdiv.filters[0].play(this.transduration) 
}