/*
**********************************************
* Ultimate Fade-In Slideshow (v1.51): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
**********************************************
* Additional edits by
* Kyle C. Wiens
* kyle.wiens@ttu.edu
* 4 October 2007
***********************************************
* 
* How to edit this program:
* You need to change only two things to suit your needs:
*
* 1.  The list of images.  Just change the definition of the 
*     elements of the 'fadeimages' array immediately below so 
*     that they point to the images you want to display.
* 2.  Change the call sequence at the very bottom of this program:
*     This defines the width, height, time interval between images, etc.
************************************************
*/

// Define the list of images.

var fadeimages=new Array();

// Change these to suit your needs.

fadeimages[0]=["images/show1.JPG", "", ""];
fadeimages[1]=["images/show2.JPG", "", ""];
fadeimages[2]=["images/show3.JPG", "", ""];
fadeimages[3]=["images/show4.JPG", "", ""];
fadeimages[4]=["images/show5.JPG", "", ""];
fadeimages[5]=["images/show6.JPG", "", ""];
fadeimages[6]=["images/show7.JPG", "", ""];
fadeimages[7]=["images/show8.JPG", "", ""];

fadeimages[8]=["images/show9.JPG", "", ""];
fadeimages[9]=["images/show10.JPG", "", ""];
fadeimages[10]=["images/show11.JPG", "", ""];
fadeimages[11]=["images/show12.JPG", "", ""];
fadeimages[12]=["images/show13.JPG", "", ""];
fadeimages[13]=["images/show14.JPG", "", ""];
fadeimages[14]=["images/show15.JPG", "", ""];
fadeimages[15]=["images/show16.JPG", "", ""];
fadeimages[16]=["images/show17.JPG", "", ""];
fadeimages[17]=["images/show18.JPG", "", ""];
fadeimages[18]=["images/show19.JPG", "", ""];
fadeimages[19]=["images/show20.JPG", "", ""];
fadeimages[20]=["images/show21.JPG", "", ""];
fadeimages[21]=["images/show22.JPG", "", ""];
fadeimages[22]=["images/show23.JPG", "", ""];
fadeimages[23]=["images/show24.JPG", "", ""];
fadeimages[24]=["images/show25.JPG", "", ""];




var fadebgcolor="white";
  
// NO need to edit beyond here until you get to the call sequence at the very bottom. //

var fadearray=new Array(); //array to cache fadeshow instances
var fadeclear=new Array(); //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById); //modern dom browsers
var iebrowser=document.all;
 

// -------------------------
// Begin function 'fadeshow'
// -------------------------
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder) {

  this.pausecheck=pause;
  this.mouseovercheck=0;
  this.delay=delay;
  this.degree=10; //initial opacity degree (10%)
  this.curimageindex=0;
  this.nextimageindex=1;
  fadearray[fadearray.length]=this;
  this.slideshowid=fadearray.length-1;
  this.canvasbase="canvas"+this.slideshowid;
  this.curcanvas=this.canvasbase+"_0";

  // Put images in random order.
  if (typeof displayorder!="undefined") {
    theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
      }

  this.theimages=theimages;
  this.imageborder=parseInt(borderwidth);
  this.postimages=new Array(); //preload images
  
  for (p=0;p<theimages.length;p++) {
    this.postimages[p]=new Image();
    this.postimages[p].src=theimages[p][0];
  }
  
  var fadewidth=fadewidth+this.imageborder*2;
  var fadeheight=fadeheight+this.imageborder*2;
    
  //if IE5+ or modern browsers (ie: Firefox)
  if (iebrowser&&dom||dom) {
    document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>');
  }
  else {
    document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>');
  }

  //if IE5+ or modern browsers such as Firefox
  if (iebrowser&&dom||dom) {
    this.startit()
      }
  else {
    this.curimageindex++
      setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
      }
}
// -------------------------
// End function 'fadeshow'
// -------------------------



// -------------------------
// Begin function 'fadepic'
// -------------------------
function fadepic(obj) {
  if (obj.degree<100) {
    
    obj.degree+=10;
    
    if (obj.tempobj.filters&&obj.tempobj.filters[0]){

      if (typeof obj.tempobj.filters[0].opacity=="number") { //if IE6+
	obj.tempobj.filters[0].opacity=obj.degree;
      }
      else { //else if IE5.5-
	obj.tempobj.style.filter="alpha(opacity="+obj.degree+")";
      }

    } // ENDS if(obj.tempobj.filters&&obj.tempobj.filters[0])

    else {
      if (obj.tempobj.style.MozOpacity) {
	obj.tempobj.style.MozOpacity=obj.degree/101;
      }
      else {
	if (obj.tempobj.style.KhtmlOpacity) {
	  obj.tempobj.style.KhtmlOpacity=obj.degree/100;
	}
	else {
	  if (obj.tempobj.style.opacity&&!obj.tempobj.filters) {
	    obj.tempobj.style.opacity=obj.degree/101;
	  }
	}
      }
    }
  }  // ENDS if(obj.degree<100)
  else {
    clearInterval(fadeclear[obj.slideshowid]);
    obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1";
    obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas);
    obj.populateslide(obj.tempobj, obj.nextimageindex);
    obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0;
    setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay);
  }
}
// -------------------------
// End function 'fadepic'
// -------------------------



fadeshow.prototype.populateslide=function(picobj, picindex) {
  var slideHTML="";
  
  if (this.theimages[picindex][1]!="") { //if associated link exists for image
    slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">';
  }
  
  slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">';
  
  if (this.theimages[picindex][1]!="") { //if associated link exists for image
    slideHTML+='</a>';
  }
  
  picobj.innerHTML=slideHTML;
}
  
  
  
fadeshow.prototype.rotateimage=function() {
  if (this.pausecheck==1) { //if pause onMouseover enabled, cache object
    var cacheobj=this;
  }
  
  if (this.mouseovercheck==1) {
    setTimeout(function(){cacheobj.rotateimage()}, 100);
  }
  else if (iebrowser&&dom||dom) {
    this.resetit();
    var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
    crossobj.style.zIndex++;
    fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50);
    this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0";
  }
  else {
    var ns4imgobj=document.images['defaultslide'+this.slideshowid];
    ns4imgobj.src=this.postimages[this.curimageindex].src;
  }
  
  this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0;
}


    
fadeshow.prototype.resetit=function() {
  this.degree=10;
  var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
  if (crossobj.filters&&crossobj.filters[0]) {
    if (typeof crossobj.filters[0].opacity=="number") { //if IE6+
      crossobj.filters(0).opacity=this.degree;
    }
    else{ //else if IE5.5-
      crossobj.style.filter="alpha(opacity="+this.degree+")";
    }
  }
  else if (crossobj.style.MozOpacity) {
    crossobj.style.MozOpacity=this.degree/101;
  }
  else if (crossobj.style.KhtmlOpacity) {
    crossobj.style.KhtmlOpacity=this.degree/100;
  }
  else if (crossobj.style.opacity&&!crossobj.filters) {
    crossobj.style.opacity=this.degree/101;
  }
}
      
      
fadeshow.prototype.startit=function() {
  var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas);
  this.populateslide(crossobj, this.curimageindex);
  if (this.pausecheck==1) { //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
    var cacheobj=this;
    var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid);
    crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1};
    crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0};
  }
  this.rotateimage();
}

// ----------------------------------	
// The final step:  Start the slideshow with a call to 'fadeshow'
// ----------------------------------
	
// Call sequence:
// new fadeshow(list_of_images,width,height,borderwidth,delay,pause)
//
// Arguments:
// list_of_images:  array of images, e.g., as defined by
//                  fadeimages[] = ... at the top of this program.
//
// width         :  Width of slideshow images (pixels)
// height        :  Height of slideshow images (pixels)
// borderwidth   :  Width of border around slideshow (pixels)
// delay         :  Delay between switching images (milliseconds)
// pause         :  Whether to pause on mouse over (1=yes,0=no)

  new fadeshow(fadeimages, 460, 230, 0, 3000, 1);