// JavaScript Document


/***********************************************
* AnyLink Drop Down Menu- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

//Contents for menu 1
var menu1=new Array()
menu1[0]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/residential.html">Residential Security</a>'
menu1[1]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/perprotection.html">Perimeter Protection</a>'
menu1[2]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/spaceprotection.html">Space Protection</a>'
menu1[3]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/monitoring.html">Monitoring</a>'
menu1[4]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/fire.html">Fire Detection</a>'
menu1[5]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/cad.html">Computer Assisted Design</a>'
menu1[6]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/invasion.html">Home Invasion</a>'
menu1[7]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/ambush.html">Ambush Alert</a>'
menu1[8]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/children.html">Monitor Latch Key Children</a>'
menu1[9]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/medical.html">Medical Alerts</a>'
menu1[10]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/senior.html">Senior Check-in</a>'
menu1[11]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/cctv.html">Video Surveillance</a>'
menu1[12]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/environmental.html">Environmental Monitoring</a>'
menu1[13]='<a href="' + pgLevel + 'buy-Residential-Security-Systems/wiring.html">Structured Wiring</a>'

//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/commercial.html">Commercial Security</a>'
menu2[1]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/burglary.html">Burglary</a>'
menu2[2]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/cfire.html">Fire Detection</a>'
menu2[3]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/robbery.html">Robbery / Hold-up Alarms</a>'
menu2[4]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/cctv.html">Video Surveillance</a>'
menu2[5]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/access.html">Access Control Systems</a>'
menu2[6]='<a href="' + pgLevel + 'buy-Commercial-Security-Systems/environmental.html">Environment Conditions Control</a>'

var menu3=new Array()
menu3[0]='<a href="' + pgLevel + 'cctv.html">Video Surveillance</a>'

var menu4=new Array()
menu4[0]='<a href="' + pgLevel + 'additional.html">Learn More...</a>'
		
var menuwidth='210px' //default menu width
var menubgcolor='#CCCCCC'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////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:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype, addedOffsetTop){
var totaloffset=(offsettype=="left")? what.offsetLeft + 158 : what.offsetTop - addedOffsetTop;
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="-500px"
if (menuwidth!=""){
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 < 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 up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

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


function dropdownmenu(obj, e, menucontents, menuwidth, addedOffsetTop, adjustedBottom){
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", addedOffsetTop);
dropmenuobj.y=getposOffset(obj, "top", addedOffsetTop);
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge") + "px";
var edgeBot = clearbrowseredge(obj, "bottomedge");
//alert(edgeBot);
if (edgeBot >0) {edgeBot = edgeBot - adjustedBottom;}
dropmenuobj.style.top = dropmenuobj.y - edgeBot  + obj.offsetHeight + "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)
}

if (hidemenu_onclick=="yes")
document.onclick=hidemenu

// set colors onload
function setNav() {
	var navCell = document.getElementById(navLink);
	if(navCell) {
		navCell.style.background = "#0066FF";
		navCell.style.color = "#FFFFFF";
		}
}