/***********************************************
* 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.
***********************************************/

var fadeimages=new Array()
fadeimages[0]=["/media/rotator/01.jpg", "", "", "Entering Worcester"]
fadeimages[1]=["/media/rotator/02.jpg", "/dpw/parks-rec/city-parks/city-hall-common/", "", "City Hall Common"]
fadeimages[2]=["/media/rotator/03.jpg", "/living-working/getting-around-the-city/", "", "Worcester Transportation Options"]
fadeimages[3]=["/media/rotator/04.jpg", "/dpw/parks-rec/city-parks/cristoforo-colombo-park/", "", "Christoforo Colombo Park on Shrewsbury Street"]
fadeimages[4]=["/media/rotator/05.jpg", "/living-working/sites-sounds/colleges-universities/", "", "Worcester Colleges & Universities"]
fadeimages[5]=["/media/rotator/06.jpg", "", "", "Clock on Front Street"]
fadeimages[6]=["/media/rotator/07.jpg", "/living-working/public-schools/", "", "Worcester Public Schools - Worcester Technical High School"]
fadeimages[7]=["/media/rotator/08.jpg", "/living-working/sites-sounds/professional-sports", "", "Professional Sports"]
fadeimages[8]=["/media/rotator/09.jpg", "/dpw/parks-rec/korean-war-memorial/", "", "Korean War Memorial at Washington Square"]
fadeimages[9]=["/media/rotator/10.jpg", "/dpw/parks-rec/vietnam-memorial/", "", "Vietnam Veterans' Memorial"]
fadeimages[10]=["/media/rotator/11.jpg", "", "", "Worcester City Flag on Main Street"]
fadeimages[11]=["/media/rotator/12.jpg", "/boards-commissions/manage-boards?func=viewThingData;thingId=p9_q7fhsEjeFjodMcdErLA;thingDataId=8ike7iws10e94u7-vfKcbQ", "", "DCU Center"]
fadeimages[12]=["/media/rotator/14.jpg", "/boards-commissions/manage-boards?func=viewThingData;thingId=p9_q7fhsEjeFjodMcdErLA;thingDataId=71gPJ4TQ_bxAV4j_Ar7e5g", "", "Worcester Memorial Auditorium"]
fadeimages[13]=["/media/rotator/15.jpg", "", "", "Massachusetts Biotechnology Research Park"]
fadeimages[14]=["/media/rotator/16.jpg", "/development/economic-development/", "", "Economic Development - Wayfinding Project"]
fadeimages[15]=["/media/rotator/17.jpg", "/dpw/parks-rec/recreation/pools-beaches/", "", "Regatta Point Park Sailboats"]
fadeimages[16]=["/media/rotator/18.jpg", "", "", "Downtown Worcester, Massachusetts"]
fadeimages[17]=["/media/rotator/19.jpg", "/development/economic-development/union-station/", "", "Union Station at Washington Square"]
fadeimages[18]=["/media/rotator/20.jpg", "", "", "Major Taylor Monument at the Worcester Public Library"]
fadeimages[19]=["/media/rotator/21.jpg", "", "", "Worcester District Courthouse"]

var fadebgcolor="white"

////NO need to edit beyond here/////////////    

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

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"
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 (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="'+this.theimages[picindex][3]+'" title="'+this.theimages[picindex][3]+'"></div>')

if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox    
this.startit()
else{
this.curimageindex++
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
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="'+this.theimages[picindex][3]+'" title="'+this.theimages[picindex][3]+'">'
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()
}