/***********************************************
* AnyLink Vertical Menu- c Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
//----menu items---
var menu1=new Array()
menu1[0]='<a href="1_1_1.htm">Home</a>'

var menu2=new Array()
menu2[0]='<a href="s_consultancy.htm">Consultancy & Collaboration</a>'
menu2[1]='<a href="s_technology.htm">Technology Development</a>'
menu2[2]='<a href="s_library.htm">CLT Reference Section</a>'
menu2[3]='<a href="s_workshop.htm">Media Production Workshop</a>'
menu2[4]='<a href="s_service.htm">Media Production Services</a>'
menu2[5]='<a href="s_loan.htm">Equipment Loan</a>'

var menu3=new Array()
menu3[0]='<a href="p_current.htm">Current Programme</a>'
menu3[1]='<a href="p_previous.htm">Previous Programme</a>'

var menu4=new Array()
menu4[0]='<a href="r_about.htm">About CLT Resources</a>'
menu4[1]='<a href="r_list.htm">Complete List</a>'

var menu5=new Array()
menu5[0]='<a href="n_newsletter.htm">CLT Newsletter</a>'
menu5[1]='<a href="n_webline.htm">Webline</a>'

var menu6=new Array()
menu6[0]='<a href="http://intra.vtc.edu.hk/division/clt/webContents/forms/eqloan.pdf" target="_blank">Equipment Loan Form</a>'
menu6[1]='<a href="http://intra.vtc.edu.hk/division/clt/webContents/forms/prodreq.pdf" target="_blank">Production Request Form</a>'
menu6[2]='<a href="http://intra.vtc.edu.hk/division/clt/webContents/forms/project.pdf" target="_blank">Project Proposal Form</a>'
menu6[3]='<a href="http://intra.vtc.edu.hk/division/clt/webContents/forms/resource.pdf" target="_blank">Resources Order Form</a>'

var menu7=new Array()
menu7[0]='<a href="u_design.htm">Web Design</a>'
menu7[1]='<a href="u_ltlc.htm">Local Centres for Learning & Teaching</a>'
menu7[2]='<a href="u_wtlc.htm">Worldwide Centres for Learning & Teaching</a>'
menu7[3]='<a href="u_et.htm">Educational Technology</a>'
menu7[4]='<a href="u_copyright.htm">Copyright</a>'
menu7[5]='<a href="u_keyskill.htm">Key Skills</a>'
//----end of menu items---





		
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var horizontaloffset=15 //horizontal offset of menu from default location. (0-5 is a good value)

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width: 160px" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move menu up?
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
edgeoffset=dropmenuobj.y
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}



//rollover, swap images
if (document.images){   
					img1on = new Image();   img1on.src="images/arrow_dn.gif";        //Active Images   
					img2on = new Image();   img2on.src="images/arrow_dn.gif";
					img3on = new Image();   img3on.src="images/arrow_dn.gif";
					img4on = new Image();   img4on.src="images/arrow_dn.gif";
					img5on = new Image();   img5on.src="images/arrow_dn.gif";
					img6on = new Image();   img6on.src="images/arrow_dn.gif"; 
					img7on = new Image();   img7on.src="images/arrow_dn.gif";  
					img8on = new Image();   img8on.src="images/arrow_dn.gif"; 
					img9on = new Image();   img9on.src="images/arrow_dn.gif";                                											
				 	
					img1off = new Image();  img1off.src="images/arrow_up.gif";         //Inactive Images
					img2off = new Image();  img2off.src="images/arrow_up.gif";  
					img3off = new Image();  img3off.src="images/arrow_up.gif";  
					img4off = new Image();  img4off.src="images/arrow_up.gif";
					img5off = new Image();  img5off.src="images/arrow_up.gif";  
					img6off = new Image();  img6off.src="images/arrow_up.gif";  
					img7off = new Image();  img7off.src="images/arrow_up.gif";
					img8off = new Image();  img8off.src="images/arrow_up.gif"; 
					img9off = new Image();  img9off.src="images/arrow_up.gif";    
}

function imgOn(imgName){
if (document.images){
document[imgName].src=eval(imgName+"on.src");
        }
}

function imgOff(imgName){
if (document.images){
document[imgName].src=eval(imgName+"off.src");
        }
}



/*
Auto center window script- Eric King (http://redrival.com/eak/index.shtml)
Permission granted to Dynamic Drive to feature script in archive
For full source, usage terms, and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}