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

var slideshow_width='432' //SET IMAGE WIDTH
var slideshow_height='321' //SET IMAGE HEIGHT
var pause=4500 //SET PAUSE BETWEEN SLIDE (3000=3 seconds)


var preloadedimages=new Array()
for (p=0;p<fadeimages.length;p++){
preloadedimages[p]=new Image()
preloadedimages[p].src=fadeimages[p]
}

var imageCode = new Array();
for (var a = 0; a < fadeimages.length; a++) {
 var imgCode = getImageCode(a);
 imageCode[a] = imgCode;
}

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

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

var curpos=10
var degree=10
var curcanvas="canvas0"
var curimageindex=0
var nextimageindex=1


function fadepic(){
if (curpos<100){
curpos+=10
if (tempobj.filters)
tempobj.filters.alpha.opacity=curpos
else if (tempobj.style.MozOpacity)
tempobj.style.MozOpacity=curpos/101
}
else{
clearInterval(dropslide)
nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
tempobj.innerHTML='<img src="'+fadeimages[nextimageindex]+'">'
tempobj.innerHTML=imageCode[nextimageindex];

nextimageindex=(nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0
setTimeout("rotateimage()",pause)
}
}

function rotateimage(){
if (ie4||dom){
resetit(curcanvas)
var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.style.zIndex++
var temp='setInterval("fadepic()",50)'
dropslide=eval(temp)
curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
}
else
document.images.defaultslide.src=fadeimages[curimageindex]
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='<img src="'+fadeimages[curimageindex]+'">'
crossobj.innerHTML=imageCode[curimageindex];

rotateimage()
}

if (ie4||dom)
window.onload=startit
else
setInterval("rotateimage()",pause)

var shouldScaleUp = false;
function getImageCode(index) {
 var src = fadeimages[index][0];
 var imageWidth = fadeimages[index][1];
 var imageHeight = fadeimages[index][2];
 var alt = fadeimages[index][3];
 var width = slideshow_width;
 var height = slideshow_height;

  if (shouldScaleUp && imageWidth < width && imageHeight < height) {
   var verticalScale = height / imageHeight;
   var scale = width / imageWidth;
   
   if (verticalScale < scale) {
    scale = verticalScale;
   }
   
   imageWidth *= scale;
   imageHeight *= scale;     
  }  

  if (imageWidth > width) {   
   var scale = width / imageWidth;
   imageWidth *= scale;
   imageHeight *= scale;
  }

  if (imageHeight > height) {
   var scale = height / imageHeight;
   imageWidth *= scale;
   imageHeight *= scale;
  }

  var style = '';


  if (imageWidth < width) {
   var diff = width - imageWidth;
   var marginLeft = diff / 2;
   var marginRight = width - imageWidth - marginLeft;
   style = "border-left: " + marginLeft + "px solid black; border-right: "
       + marginRight + "px solid black; ";
  }

  if (imageHeight < height) {
   var diff = height - imageHeight;
   var marginTop = diff / 2;
   var marginBottom = height - imageHeight - marginTop;
   style += "border-top: " + marginTop + "px solid black; border-bottom: "
       + marginBottom + "px solid black; ";

  }


 var imgCode = '<img src="' + src + '" width="' + imageWidth + '" height="' + imageHeight + '" alt="' + alt + '" style="' + style + '" />';
 return imgCode;
}