function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

function setFocus() {
	var links = document.getElementsByTagName("a");
	for(var i=0; i<links.length; i++) {
		links[i].onfocus = function() {
			if(this.blur)this.blur();	
		}
	}
}

function cBkgd(objid) {
	element = document.getElementById(objid);
	element.style.background = '#c9472e';
}
function cBkgdback(objid) {
	element = document.getElementById(objid);
	element.style.background = '#6C9A85';
}

function getCtype() {
	if($('schedule_reveal').style.display == "none") {
		for(var i=0; i < document.forms.getschedule.schedule.length; i++) {
			if(document.forms.getschedule.schedule[i].checked == true) {
				var ctype = document.forms.getschedule.schedule[i].value;
				break;
			}
		}
		showSchedule(ctype,'');
	} else {
		showSchedule('','');
	}
	
} // end get ctype

function showSchedule(ctype,cid){
//	Effect.toggle('schedule_reveal','BLIND');
//	alert($('schedule_reveal').style.display);
	if($('schedule_reveal').style.display == "none") { // Reveal Schedule // AJAX for correct schedule
		document.forms.getschedule.schedule_btn.value = "Hide Schedule";
		
		// ajax for correct schedule
		
		
		new Ajax.Request('schedule.php',
		  {
			method:'get',
			parameters: {coursetype: ctype, courseid: cid},
			onSuccess: function(transport){
			  var response = transport.responseText || "no response text";
//			  alert("Success! \n\n" + response);
				$('schedule_content').innerHTML = response;
				initialize();
			},
			onFailure: function(){ alert('Something went wrong...') }
		  });		
		
		
		Effect.BlindDown($('schedule_reveal'));
		
	} else {
	
		document.forms.getschedule.schedule_btn.value = "Get Class Schedule";
		Effect.BlindUp($('schedule_reveal'));
		
	}
}

function checkCU(form) {
	var errors = "";
	if(document.forms[form].first_name.value == "") {
		errors += "You must provide your first name.\n";
	}
	if(document.forms[form].last_name.value == "") {
		errors += "You must provide your last name.\n";
	}
	if(document.forms[form].email.value == "") {
		errors += "You must provide your email address.\n";
	}
	
	if(errors == ""){
	  document.forms[form].submit();

	} else {
		alert("The following errors were found:\n\n"+errors);
		return;
	}
}

function getInstructor(instid,courseid) {
	
	new Ajax.Request('getinstructor.php',
	  {
		method:'get',
		parameters: {iids: instid, cid: courseid},
		onSuccess: function(transport){
		  var response = transport.responseText || "no response text";
//			  alert("Success! \n\n" + response);
			$('lb_cd').innerHTML = response;
			lightbox.prototype.actions();
		},
		onFailure: function(){ alert('Something went wrong...') }
	  });
}

function getCourse(instid,courseid) {
	
	new Ajax.Request('getcourse.php',
	  {
		method:'get',
		parameters: {cid: courseid, iids: instid},
		onSuccess: function(transport){
		  var response = transport.responseText || "no response text";
//			  alert("Success! \n\n" + response);
			$('lb_cd').innerHTML = response;
			lightbox.prototype.actions();
		},
		onFailure: function(){ alert('Something went wrong...') }
	  });
}

function showPoptions() {
	if($('poptions').style.display == "none") {
		Effect.BlindDown($('poptions'));
	} else {
		Effect.BlindUp($('poptions'));
	}
}

var fadeimages=new Array()
//SET IMAGE PATHS. Extend or contract array as needed
fadeimages[0]=["/_img/homepic1.jpg", "", ""] //plain image syntax
fadeimages[1]=["/_img/homepic2.jpg", "", ""] //plain image syntax
fadeimages[2]=["/_img/homepic3.jpg", "", ""] //plain image syntax
//fadeimages[1]=["01.jpeg", "http://www.funflies.com", ""] //image with link syntax
//fadeimages[2]=["02.jpeg", "http://www.javascriptkit.com", "_new"] //image with link and target 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;filterrogidX ImageTransform.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;filterrogidX ImageTransform.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()
}