function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function preloadImages() {
	var args = preloadImages.arguments;
	if(document.images) {
		imageArray = new Array();
		for(i=0; i<args.length ; i++) {
			img = new Image(100,25)
			img.src = args[i];
			imageArray[i] = img; 
		}
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function swapImage(id, newImage) {
	var img = document.getElementById(id);
	img.src = newImage;
}

/***********************************************
* 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 designAndInstallationMenu=new Array()
designAndInstallationMenu[0]='<a href="/design_and_installation/business_and_corporate.html">Business + Corporate</a>'
designAndInstallationMenu[1]='<a href="/design_and_installation/retail.html">Retail</a>'
designAndInstallationMenu[2]='<a href="/design_and_installation/broadcasting.html">Broadcasting</a>'
designAndInstallationMenu[3]='<a href="/design_and_installation/healthcare.html">Healthcare</a>'
designAndInstallationMenu[4]='<a href="/design_and_installation/hospitality.html">Hospitality</a>'
designAndInstallationMenu[5]='<a href="/design_and_installation/transportation.html">Transportation</a>'
designAndInstallationMenu[6]='<a href="/design_and_installation/legal_courts.html">Courts + Legal</a>'
designAndInstallationMenu[7]='<a href="/design_and_installation/education.html">Education</a>'
designAndInstallationMenu[8]='<a href="/design_and_installation/museums.html">Museums</a>'
designAndInstallationMenu[9]='<a href="/design_and_installation/government_and_military.html">Government + Military</a>'
designAndInstallationMenu[10]='<a href="/design_and_installation/worship.html">Worship</a>'
designAndInstallationMenu[11]='<a href="/design_and_installation/entertainment.html">Entertainment</a>'

//Contents for menu 2, and so on
var meetingsAndEventsMenu=new Array()
meetingsAndEventsMenu[0]='<a href="/meetings_and_events/rental.html">Rental</a>'
meetingsAndEventsMenu[1]='<a href="/meetings_and_events/show_and_event.html">Show + Event</a>'
meetingsAndEventsMenu[2]='<a href="/meetings_and_events/tradeshows.html">Tradeshows</a>'
meetingsAndEventsMenu[3]='<a href="/meetings_and_events/hotel_and_corporate_staffing.html">Hotel + Corporate Staffing</a>'

var productSalesMenu=new Array()
productSalesMenu[0]='<a href="/product_sales/glasfire.html">Glasfire</a>'
productSalesMenu[1]='<a href="/product_sales/video_conferencing.html">Video Conferencing</a>'
productSalesMenu[2]='<a href="/product_sales/digital_signage.html">Digital Signage</a>'
productSalesMenu[3]='<a href="/product_sales/control_systems.html">Control Systems</a>'
productSalesMenu[4]='<a href="/product_sales/interactive_whiteboards.html">Interactive Whiteboards</a>'
productSalesMenu[5]='<a href="/product_sales/shades_and_lighting.html">Shades + Lighting</a>'
productSalesMenu[6]='<a href="/product_sales/virtual_reality.html">Virtual Reality</a>'
productSalesMenu[7]='<a href="http://catalogs.infocommiq.com/avcat/CTL8164/index.cfm?MRC_id=8164">View Product Catalog</a>'

var pressRoomMenu=new Array()
pressRoomMenu[0]='<a href="/pressroom/upcomingevents.html">Upcoming Events</a>'
pressRoomMenu[1]='<a href="/pressroom/graybownews.html">Graybow News</a>'
pressRoomMenu[2]='<a href="http://catalogs.infocommiq.com/avcat/CTL8164/index.cfm?mrc_id=8164&news=industry">Industry News</a>'
pressRoomMenu[3]='<a href="http://catalogs.infocommiq.com/avcat/ctl8164/index_email.cfm?MRC_id=8164&SA=runscript&Catalog_ID=8164">New Products</a>'
pressRoomMenu[4]='<a href="/pressroom/newsreleases.html">News Releases</a>'

var aboutUsMenu=new Array()
aboutUsMenu[0]='<a href="/aboutus/companyprofile.html">Company Profile</a>'
aboutUsMenu[1]='<a href="/aboutus/ourstaff.html">Our Staff</a>'
aboutUsMenu[2]='<a href="/ftp/index.html">Client Login</a>'
aboutUsMenu[3]='<a href="/aboutus/emailarchive.php">Email Archive</a>'
aboutUsMenu[4]='<a href="/aboutus/contactinfoandmap.html">Contact Info + Map</a>'
		
var menuwidth='165px' //default menu width
var menubgcolor='#DD6626'  //menu bgcolor
var menubgcolor2='#C4E3F1'  //menu bgcolor
var menubgcolor3='#000000'  //menu bgcolor
var disappeardelay=0  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editing 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){
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, bgcolor, textcolor){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
dropmenuobj.style.backgroundColor=bgcolor
dropmenuobj.style.color=textcolor
}
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(menu){
if (ie4||ns6)
dropmenuobj.innerHTML=menu.join("")
}

function dropdownmenu(obj, e, menucontents, menuwidth, bgcolor, textcolor){
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, bgcolor, textcolor)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+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

function dropdown(mySel)
{
var myWin, myVal;
myVal = mySel.options[mySel.selectedIndex].value;
if(myVal)
   {
   if(mySel.form.target)myWin = parent[mySel.form.target];
   else myWin = window;
   if (! myWin) return true;
   myWin.location = myVal;
   }
return false;
}