// JavaScript Document

//NEEDED FOR DROPDOWNS TO DISPLAY CORRECTLY IN IE

sfHover = function() {
	var sfEls = document.getElementById("navigation_main").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

sfHover = function() {
	var sfEls = document.getElementById("navigation_main1").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);



/***********************************************
* Random Content Order script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
* Modified in http://www.dynamicdrive.com/forums by jscheuer1
***********************************************/

//list group name selectors, ex - ['.group1', '.group2']:
var groups=['.group1']

//set maximum number of items:
var upperlim=3

//set minimum number of items:
var lowerlim=3

// !!!!IMPORTANT - total number of items in each group must be greater than upperlim - IMPORTANT!!!!

////////////////////Stop Editing/////////////////

if(document.getElementById)
document.write('<style type="text/css">'+
groups.join(', ')+' {'+
'display: none;'+
'}'+
'<\/style>')

function randomizeContent(classname){
var x=upperlim*1+1-lowerlim, a=lowerlim*1-1,
contents=randomizeContent.collectElementbyClass(classname), n=Math.ceil(Math.random()*x)+a;
contents.text.sort(function() {return 0.5 - Math.random();})
for (var i=0; i<n; i++){
contents.ref[i].innerHTML=contents.text[i]
contents.ref[i].style.display="block"
}
}

randomizeContent.collectElementbyClass=function(classname){ //return two arrays containing elements with specified classname, plus their innerHTML content
var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i") //regular expression to screen for classname within element
var contentobj=new Object()
contentobj.ref=new Array() //array containing references to the participating contents
contentobj.text=new Array() //array containing participating contents' contents (innerHTML property)
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (var i=0; i<alltags.length; i++){
if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1){
contentobj.ref[contentobj.ref.length]=alltags[i]
contentobj.text[contentobj.text.length]=alltags[i].innerHTML
}
}
return contentobj
}


      
/***********************************************
* 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()
//SET IMAGE PATHS. Extend or contract array as needed
fadeimages[0]=["http://teacheslkorea.com/images/gallery/one.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[1]=["http://teacheslkorea.com/images/gallery/two.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[2]=["http://teacheslkorea.com/images/gallery/three.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[3]=["http://teacheslkorea.com/images/gallery/four.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[4]=["http://teacheslkorea.com/images/gallery/five.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[5]=["http://teacheslkorea.com/images/gallery/six.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[6]=["http://teacheslkorea.com/images/gallery/seven.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[7]=["http://teacheslkorea.com/images/gallery/eight.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[8]=["http://teacheslkorea.com/images/gallery/nine.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[9]=["http://teacheslkorea.com/images/gallery/ten.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[10]=["http://teacheslkorea.com/images/gallery/eleven.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[11]=["http://teacheslkorea.com/images/gallery/twelve.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[12]=["http://teacheslkorea.com/images/gallery/thirteen.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[13]=["http://teacheslkorea.com/images/gallery/fourteen.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[14]=["http://teacheslkorea.com/images/gallery/fifteen.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax
fadeimages[15]=["http://teacheslkorea.com/images/gallery/gallery.jpg", "http://picasaweb.google.com/TeachESLKorea/", "_blank"] //plain image syntax

 

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+'"></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">'
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()
}