var fadebgcolor="#fff" 
var fadearray=new Array() //array to cache fadeshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers
var timerImages=new Array()

var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all

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
	
	if (typeof displayorder!="undefined"){
		this.curimageindex = Math.floor(Math.random()*theimages.length);
		this.nextimageindex=(this.curimageindex<theimages.length-1)? this.curimageindex+1 : 0
	}
	
 		
	fadearray[fadearray.length]=this
	this.slideshowid=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();})*/ //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]
		this.timerImage = 0;
	}
 	
	var fadewidth=fadewidth+this.imageborder*2
	var fadeheight=fadeheight+this.imageborder*2
	 
	if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
		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+'" alt="Albany Pump Image '+this.slideshowid + '"></div>')
		 
		if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
			this.startit()
		else{
			this.curimageindex++
			fadeclear[this.slideshowid]= setInterval("fadearray["+this.slideshowid+"].rotateimage('')", this.delay)
		}
	
}

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+")"
	}
	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
	}
	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
		timerImages[obj.slideshowid] = setTimeout("fadearray["+obj.slideshowid+"].rotateimage('')", obj.delay);
	}
}
 
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" alt="Albany Pump Slideshow Image '+ this.postimages[picindex] + '">'
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML+='</a>'
picobj.innerHTML=slideHTML

}
 


/* Purpose: To move the image back 1. */
fadeshow.prototype.moveback=function()
{
	clearTimeout(timerImages[this.slideshowid]);
	clearInterval(fadeclear[this.slideshowid]);

	this.rotateimage('back');
}

/* Purpose: To move the image forward 1. */
fadeshow.prototype.moveforward=function()
{
	clearTimeout(timerImages[this.slideshowid]);
	clearInterval(fadeclear[this.slideshowid]);

	this.rotateimage('');

}

fadeshow.prototype.rotateimage=function(backIndicator){
		if (this.pausecheck==1) //if pause onMouseover enabled, cache object
		var cacheobj=this
		if (this.mouseovercheck==1)
			timerImages[this.slideshowid] = setTimeout(function(){cacheobj.rotateimage(backIndicator)}, 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
		}
		
		loadTestimonial("headerHomeText", this.curimageindex);
		
		if(backIndicator=='back'){
			this.curimageindex=(this.curimageindex<=0)? this.postimages.length-1 : this.curimageindex-1			
		}else{
			this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
		}
	
		
}	
 

fadeshow.prototype.gotoimage=function(newindex){	
		clearTimeout(timerImages[this.slideshowid]);
		clearInterval(fadeclear[this.slideshowid]);
			
		this.curimageindex=newindex;	
		
		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('')
}
 
 
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('')
}




