/***********************************************
* Fade-in image slideshow script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

/**********************************************
* Modified by Matt White at Earthtalk Studios
* to allow for random image start, and fixing
* relative positioning problems with IE
* Windows.
* Added cross-fade functionality to circumvent
* IE z-index problem.
* Various further optimizations.
**********************************************/

var slideshow_width='242px' //SET IMAGE WIDTH
var slideshow_height='267px' //SET IMAGE HEIGHT
var pause=7000; //SET PAUSE BETWEEN SLIDE (3000=3 seconds)

var fadeimages=new Array()
//SET 1) IMAGE PATHS, 2) optional link, 3), optional link target:
fadeimages[0] = ["/images/workshops/sideimg1.jpg", "", ""];
fadeimages[1] = ["/images/workshops/sideimg2.jpg", "", ""];
fadeimages[2] = ["/images/workshops/sideimg3.jpg", "", ""];
fadeimages[3] = ["/images/workshops/sideimg1.jpg", "", ""];

////NO need to edit beyond here/////////////
//if (curimageindex == null) var curimageindex=(Math.floor(Math.random() * 3));
if (curimageindex == null) var curimageindex=0;

var preloadedimages=new Array()
for (p=curimageindex;p != ((curimageindex - 1) >= 0 ? curimageindex - 1 : fadeimages.length - 1);p = (p+1) % fadeimages.length){
//alert(p);
preloadedimages[p]=new Image()
preloadedimages[p].src=fadeimages[p][0]
}

var ie4=document.all
var dom=document.getElementById

if (ie4||dom)
document.write('<div style="width:'+slideshow_width+';height:'+slideshow_height+';"><div id="canvas0" style="width:'+slideshow_width+';height:'+slideshow_height+';top:0;left:0;filter:alpha(opacity=10);-moz-opacity:10;display:block;"></div><div id="canvas1" style="width:'+slideshow_width+';height:'+slideshow_height+';margin-top:-'+slideshow_height+';filter:alpha(opacity=10);-moz-opacity:10;visibility: hidden"></div></div>')
else
document.write('<img name="defaultslide" src="'+fadeimages[curimageindex][0]+'" />')

var curpos=10
var degree=10
var curcanvas="canvas0"
var nextimageindex=1

function fadepic(){
if (curpos<100){
curpos+=10
if (tempobj.filters) {
tempobj.filters.alpha.opacity=curpos
tempobj2.filters.alpha.opacity=100-curpos
}
else if (tempobj.style.MozOpacity) {
tempobj.style.MozOpacity=curpos/101
tempobj2.style.MozOpacity=(100-curpos)/101
}
}
else{
clearInterval(dropslide)
nextcanvas=curcanvas
tempobj=ie4 ? eval("document.all." + nextcanvas) : document.getElementById(nextcanvas)
tempobj.innerHTML=insertimage(nextimageindex)
tempobj.style.visibility = "hidden"
nextimageindex=(nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0
if(nextimageindex != 1) setTimeout("rotateimage()",pause)
}
}

function insertimage(i){
var tempcontainer=fadeimages[i][1]!=""? '<a href="'+fadeimages[i][1]+'" target="'+fadeimages[i][2]+'">' : ""
tempcontainer+='<img src="'+fadeimages[i][0]+'" border="0" alt="" />'
tempcontainer=fadeimages[i][1]!=""? tempcontainer+'</a>' : tempcontainer
return tempcontainer
}

function rotateimage(){
if (ie4||dom){
resetit(curcanvas)
var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
tempobj.style.visibility="visible"
tempobj2 = document.getElementById((curcanvas=="canvas0") ? "canvas1" : "canvas0")
var temp='setInterval("fadepic()",50)'
dropslide=eval(temp)
curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
}
else
document.images.defaultslide.src=fadeimages[curimageindex][0]
curimageindex=(curimageindex<fadeimages.length-1)? curimageindex+1 : 0
}

function resetit(what){
curpos=10
var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
if (crossobj.filters)
crossobj.filters.alpha.opacity=curpos
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=curpos/101
}

function startit(){
var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.innerHTML=insertimage(curimageindex)
rotateimage()
}

if (!ie4&&!dom)
setInterval("rotateimage()",pause)