//Pop-it menu- By Dynamic Drive
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers

function showLayer(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=#FFFFFF width=180 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.clientWidth/2)-200 : ns6? window.pageXOffset-menuobj.contentwidth : -menuobj.contentwidth
else
//position the horizontal position of the menu where the mouse was clicked
menuobj.thestyle.left=ie4? (document.body.clientWidth/2)-200: ns6? window.pageXOffset: eventX

//same concept with the vertical position
if (bottomedge<menuobj.contentheight)
menuobj.thestyle.top =ie4? (document.body.clientHeight/2) - 100 : ns6? window.pageYOffset+eventY-menuobj.contentheight : eventY-menuobj.contentheight
else
menuobj.thestyle.top =ie4? (document.body.clientHeight/2) - 100 :  ns6? window.pageYOffset+eventY : eventY
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 hideAll()
{
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("hideAll()",100)
}

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

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