//Presentational Slideshow Script- By Dynamic Drive
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
//This credit MUST stay intact for legal use

var slideshow_width='215px' //SET SLIDESHOW WIDTH (set to largest image's width if multiple dimensions exist)
var slideshow_height='238px' //SET SLIDESHOW HEIGHT (set to largest image's height if multiple dimensions exist)
var pause=4000 //SET PAUSE BETWEEN SLIDE (2000=2 seconds)
var slidebgcolor="#EAF3C8"

var dropimages=new Array()
//SET IMAGE PATHS. Extend or contract array as needed
dropimages[0]="/class/ug/imgs/aw.jpg"
dropimages[1]="/class/ug/imgs/bentxt.jpg"
dropimages[2]="/class/ug/imgs/button.jpg"
dropimages[3]="/class/ug/imgs/clash.jpg"
dropimages[4]="/class/ug/imgs/chcup.jpg"
dropimages[5]="/class/ug/imgs/gradtxt.jpg"
dropimages[6]="/class/ug/imgs/convo2.jpg"
dropimages[7]="/class/ug/imgs/ff.jpg"
dropimages[8]="/class/ug/imgs/heyday.jpg"
dropimages[9]="/class/ug/imgs/hc.jpg"
dropimages[10]="/class/ug/imgs/line.jpg"
dropimages[11]="/class/ug/imgs/love.jpg"
dropimages[12]="/class/ug/imgs/relays.jpg"
dropimages[13]="/class/ug/imgs/songs.jpg"
dropimages[14]="/class/ug/imgs/quad.jpg"
dropimages[15]="/class/ug/imgs/quaker.jpg"
dropimages[16]="/class/ug/imgs/riv.jpg"
dropimages[17]="/class/ug/imgs/sentpf.jpg"
dropimages[18]="/class/ug/imgs/fling.jpg"
dropimages[19]="/class/ug/imgs/toast.jpg"


var droplinks=new Array()
//SET IMAGE URLs. Use "" if you wish particular image to NOT be linked:
droplinks[0]="http://www.alumni.upenn.edu/penntraditions/trads/aw.html"
droplinks[1]="http://www.alumni.upenn.edu/penntraditions/trads/benonbench.html"
droplinks[2]="http://www.alumni.upenn.edu/penntraditions/trads/button.html"
droplinks[3]="http://www.alumni.upenn.edu/penntraditions/trads/clash.html"
droplinks[4]=""
droplinks[5]="http://www.alumni.upenn.edu/penntraditions/trads/commencement.html"
droplinks[6]="http://www.alumni.upenn.edu/penntraditions/trads/convo.html"
droplinks[7]=""
droplinks[8]="http://www.alumni.upenn.edu/penntraditions/trads/heyday.html"
droplinks[9]=""
droplinks[10]=""
droplinks[11]=""
droplinks[12]=""
droplinks[13]=""
droplinks[14]="http://www.alumni.upenn.edu/penntraditions/trads/quad.html"
droplinks[15]=""
droplinks[16]=""
droplinks[17]="http://www.alumni.upenn.edu/penntraditions/trads/sgd.html"
droplinks[18]="http://www.alumni.upenn.edu/penntraditions/trads/fling.html"
droplinks[19]="http://www.alumni.upenn.edu/penntraditions/trads/toast.html"





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

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

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

if (ie4||dom)
document.write('<div style="position:relative;width:'+slideshow_width+';height:'+slideshow_height+';overflow:hidden"><div id="canvas0" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';background-color:'+slidebgcolor+';left:-'+slideshow_width+'"></div><div id="canvas1" style="position:absolute;width:'+slideshow_width+';height:'+slideshow_height+';background-color:'+slidebgcolor+';left:-'+slideshow_width+'"></div></div>')
else
document.write('<a href="javascript:rotatelink()"><img name="defaultslide" src="'+dropimages[0]+'" border=0></a>')

var curpos=parseInt(slideshow_width)*(-1)
var degree=10
var curcanvas="canvas0"
var curimageindex=linkindex=0
var nextimageindex=1


function movepic(){
if (curpos<0){
curpos=Math.min(curpos+degree,0)
tempobj.style.left=curpos+"px"
}
else{

clearInterval(dropslide)
nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
var slideimage='<img src="'+dropimages[curimageindex]+'" border=0>'
tempobj.innerHTML=(droplinks[curimageindex]!="")? '<a href="'+droplinks[curimageindex]+'">'+slideimage+'</a>' : slideimage
nextimageindex=(nextimageindex<dropimages.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("movepic()",50)'
dropslide=eval(temp)
curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
}
else
document.images.defaultslide.src=dropimages[curimageindex]
linkindex=curimageindex
curimageindex=(curimageindex<dropimages.length-1)? curimageindex+1 : 0
}

function rotatelink(){
if (droplinks[linkindex]!="")
window.location=droplinks[linkindex]
}

function resetit(what){
curpos=parseInt(slideshow_width)*(-1)
var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
crossobj.style.left=curpos+"px"
}

function startit(){
var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.innerHTML='<a href="'+droplinks[curimageindex]+'"><img src="'+dropimages[curimageindex]+'" border=0></a>'
rotateimage()
}

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