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

var linkset=new Array()
//SPECIFY MENU SETS AND THEIR LINKS. FOLLOW SYNTAX LAID OUT

linkset[0]='<div class="menuitems" style="background-color:#8CC88C;"><center><img src="hr_small.gif"></center></div>'
linkset[0]+='<div class="menuitems" style="background-color:#8CC88C; color:#000000; text-decoration:underline; padding-left:3px; padding-right:10px; font:13px Verdana; cursor:default">Research</div>'
linkset[0]+='<div class="menuitems"><a href="publications_1.html">&raquo; Publications</a></div>'
linkset[0]+='<div class="menuitems"><a href="books.html">&raquo; Books</a></div>'
linkset[0]+='<div class="menuitems"><a href="conference_proceedings.html">&raquo; Conference Proceedings</a></div>'
linkset[0]+='<div class="menuitems"><a href="conferences_organized.html">&raquo; Conferences Organized</a></div>'
linkset[0]+='<div class="menuitems" style="background-color:#8CC88C;"><center><img src="hr_small.gif"></center></div>'

////No need to edit beyond here

var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers

function showmenu(e,which){

if (!document.all&&!document.getElementById&&!document.layers)
return

clearhidemenu()

menuobj=ie4? document.all.popmenu : ns6? document.getElementById("popmenu") : ns4? document.popmenu : ""
menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj

if (ie4||ns6)
menuobj.innerHTML=which
else{
menuobj.document.write('<layer name=gui bgColor=#E6E6E6 width=270 onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>')
menuobj.document.close()
}

menuobj.contentwidth=(ie4||ns6)? menuobj.offsetWidth : menuobj.document.gui.document.width
menuobj.contentheight=(ie4||ns6)? menuobj.offsetHeight : menuobj.document.gui.document.height
eventX=ie4? event.clientX : ns6? e.clientX : e.x
eventY=ie4? event.clientY : ns6? e.clientY : e.y

//Find out how close the mouse is to the corner of the window
var rightedge=ie4? document.body.clientWidth-eventX : window.innerWidth-eventX
var bottomedge=ie4? document.body.clientHeight-eventY : window.innerHeight-eventY

//if the horizontal distance isn't enough to accomodate the width of the context menu
if (rightedge<menuobj.contentwidth)
//move the horizontal position of the menu to the left by it's width
menuobj.thestyle.left=ie4? document.body.scrollLeft+eventX-menuobj.contentwidth : ns6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth
else
//position the horizontal position of the menu where the mouse was clicked
menuobj.thestyle.left=ie4? document.body.scrollLeft+eventX : ns6? window.pageXOffset+eventX : eventX

//same concept with the vertical position
if (bottomedge<menuobj.contentheight)
menuobj.thestyle.top=ie4? document.body.scrollTop+eventY-menuobj.contentheight : ns6? window.pageYOffset+eventY-menuobj.contentheight : eventY-menuobj.contentheight
else
menuobj.thestyle.top=ie4? document.body.scrollTop+event.clientY : ns6? window.pageYOffset+eventY : eventY

//dlw. set this to move menu box to a specific location left-right
menuobj.thestyle.left=130
menuobj.thestyle.top=156

//dlw. add this for debugging assistance
//alert("ie4 = " + ie4 + "\n"
// + "ns6 = " + ns6 + "\n"
// + "ns4 = " + ns4 + "\n"
// + "which = " + which + "\n"
// + "menuobj = " + menuobj + "\n"
// + "menuobj.contentwidth = " + menuobj.contentwidth + "\n"
// + "menuobj.contentheight = " + menuobj.contentheight + "\n"
// + "eventX = " + eventX + "\n"
// + "eventY = " + eventY + "\n"
// + "rightedge = " + rightedge + "\n"
// + "bottomedge = " + bottomedge + "\n"
// + "window.pageXOffset = " + window.pageXOffset + "\n"
// + "window.pageYOffset = " + window.pageYOffset + "\n"
// + "menuobj.thestyle.left = " + menuobj.thestyle.left + "\n"
// + "menuobj.thestyle.top = " + menuobj.thestyle.top + "\n")

menuobj.thestyle.visibility="visible"
return false
}

function contains_ns6(a, b) {
//Determines if 1 element in contained in another- by Brainjar.com
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function hidemenu(){
if (window.menuobj)
menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"
}

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

function delayhidemenu(){
if (ie4||ns6||ns4)
delayhide=setTimeout("hidemenu()",1000)
}

function clearhidemenu(){
if (window.delayhide)
clearTimeout(delayhide)
}

function highlightmenu(e,state){
if (document.all)
source_el=event.srcElement
else if (document.getElementById)
source_el=e.target
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
else{
while(source_el.id!="popmenu"){
source_el=document.getElementById? source_el.parentNode : source_el.parentElement
if (source_el.className=="menuitems"){
source_el.id=(state=="on")? "mouseoverstyle" : ""
}
}
}
}

if (ie4||ns6)
document.onclick=hidemenu