/***********************************************
* Ultimate Fade-In Slideshow: © 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.
***********************************************/

var fadebgcolor="white";
var fadeimages=new Array();
fadeimages[0]=["images/homepage/rotating_graphic_03.jpg", "", ""];
fadeimages[1]=["images/homepage/rotating_graphic_07.jpg", "", ""];
fadeimages[2]=["images/homepage/rotating_graphic_08.jpg", "", ""];
fadeimages[3]=["images/homepage/rotating_graphic_11.jpg", "", ""];
fadeimages[4]=["images/homepage/rotating_graphic_02.jpg", "", ""];
fadeimages[5]=["images/homepage/rotating_graphic_10.jpg", "", ""];
fadeimages[6]=["images/homepage/rotating_graphic_01.jpg", "", ""];

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 ie4=document.all;

function fadeshow(theimages, fadewidth, fadeheight, borderwidth, pause, displayorder)
{
	this.pause=pause;
	this.degree=10; //initial opacity degree (10%)
	this.curimageindex=0;
	this.nextimageindex=1;
	fadearray[fadearray.length]=this;
	this.slideshowid=eval(fadearray.length-1);
	this.canvasbase="canvas"+this.slideshowid;
	this.curcanvas=this.canvasbase+"_0";
	if (typeof displayorder!="undefined")
		theimages.sort(function() {return 0.5 - Math.random();});
	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 (ie4||dom)
		document.write('<div 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:0px;left:0px;filter:alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0px;left:0px;filter:alpha(opacity=10);-moz-opacity:10;background-color:'+fadebgcolor+'"></div></div>');
	else
		document.write('<img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'">');

	if (ie4||dom)
		this.startit();
	else{
		this.curimageindex++;
		var temp='setInterval("fadearray['+this.slideshowid+'].rotateimage()", '+this.pause+')';
		eval(temp);
	}
}

function fadepic(obj)
{
	if (obj.degree < 100)
	{
		obj.degree+=5;
		if (obj.tempobj.filters)
			obj.tempobj.filters.alpha.opacity=obj.degree;
		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
	{
		clearInterval(fadeclear[obj.slideshowid]);
		obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1";
		obj.tempobj=ie4? eval("document.all."+obj.nextcanvas) : document.getElementById(obj.nextcanvas);
		obj.populateslide(obj.tempobj, obj.nextimageindex);
		obj.nextimageindex=(obj.nextimageindex < obj.postimages.length-1) ? obj.nextimageindex + 1 : 0;
		var temp='setTimeout("fadearray['+obj.slideshowid+'].rotateimage()", '+obj.pause+')';
		eval(temp);
	}
}

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 (ie4||dom)
	{
		this.resetit();
		var crossobj=this.tempobj=ie4 ? eval("document.all."+this.curcanvas) : document.getElementById(this.curcanvas);
		crossobj.style.zIndex++;
		var temp='setInterval("fadepic(fadearray['+this.slideshowid+'])",50)';
		fadeclear[this.slideshowid]=eval(temp);
		this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0";
	}
	else
	{
		var ns4imgobj=eval("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=ie4 ? eval("document.all." + this.curcanvas) : document.getElementById(this.curcanvas);
	if (crossobj.filters)
		crossobj.filters.alpha.opacity=this.degree;
	else if (crossobj.style.MozOpacity)
		crossobj.style.MozOpacity=this.degree / 101;
	else if (crossobj.style.KhtmlOpacity)
		crossobj.style.KhtmlOpacity=obj.degree / 100;
}

fadeshow.prototype.startit=function()
{
	var crossobj=ie4 ? eval("document.all." + this.curcanvas) : document.getElementById(this.curcanvas);
	this.populateslide(crossobj, this.curimageindex);
	this.rotateimage();
}