//Contents for menu 1



var menu1=new Array()

menu1[0]='<a href="overview.html" onMouseover=hideSubMenu();>Overview</a>'

menu1[1]='<a href="corporate_clients.html" onMouseover="subdropdownmenu(this, event, menu1_1, \'210px\',191);preventDef(event);" onMouseout="//delayhidemenu()">Corporate Clients</a>'

menu1[2]='<a href="careers.html" onMouseover=hideSubMenu();>Careers</a>'

menu1[3]='<a href="blog" onMouseover=hideSubMenu();>Press Room</a>'

menu1[4]='<a href="contact_us.html" onMouseover=hideSubMenu();>Contact Us</a>'



//Contents for menu 2, and so on

var menu2=new Array()



menu2[0]='<a href="residential_epc.html">Residential EPC</a>'

menu2[1]='<a href="commercial_epc.html">Commercial EPC</a>'

menu2[2]='<a href="display_energy_certificates.html">Display Energy Certificates</a>'

menu2[3]='<a href="sap_calculations.html">SAP Calculations</a>'




        

//Contents for menu 3, and so on

var menu3=new Array()



//Contents for menu 4, and so on

var menu4=new Array()

menu4[0]='<a href="articles.html">Articles</a>'

menu4[1]='<a href="dclg_updates.html">DCLG updates</a>'

menu4[2]='<a href="legislation.html">Legislation</a>'

menu4[3]='<a href="technical.html">Technical</a>'



   

        

var menuwidth='165px' //default menu width

var menubgcolor='#FDFDFD'  //menu bgcolor

var disappeardelay=10  //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="dropmenuobj=this;clearhidemenu()" onMouseout="dynamichide(event)"></div>')

if (ie4||ns6)

document.write('<div id="subdropmenudiv" style="margin-top:-40px;visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="dropmenuobj=this;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="-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 preventDef(e){

if (window.event) event.cancelBubble=true

else if (e.stopPropagation) e.stopPropagation()

	

}

function dropdownmenu(obj, e, menucontents, menuwidth){

preventDef(e);	

clearhidemenu()

dropmenuobj= document.getElementById("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")+"px"

dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"

}



return clickreturnvalue()

}



function subdropdownmenu(obj, e, menucontents, menuwidth,parentWidth){

if (window.event) event.cancelBubble=true

else if (e.stopPropagation) e.stopPropagation()

//clearhidemenu()

dropmenuobj=document.getElementById? document.getElementById("subdropmenudiv") : subdropmenudiv

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+parentWidth)-clearbrowseredge(obj, "rightedge")+"px"

dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+(obj.offsetHeight-20)+"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(e)

else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))

delayhidemenu(e)

}



function hidemenu(e)

{

	if (typeof dropmenuobj!="undefined"){

	if (ie4||ns6)

	dropmenuobj.style.visibility="hidden"

		if(dropmenuobj.id=="subdropmenudiv"){		

			document.getElementById("subdropmenudiv").style.visibility="hidden";

			document.getElementById("dropmenudiv").style.visibility="hidden";

		}

		else

		{

			document.getElementById("subdropmenudiv").style.visibility="hidden";

			document.getElementById("dropmenudiv").style.visibility="hidden";

		}

	}

	//hideall();

}



function delayhidemenu(e){

if (ie4||ns6)

delayhide=setTimeout("hidemenu()",disappeardelay)

}



function hideSubMenu()

{

	document.getElementById("subdropmenudiv").style.visibility="hidden";

}



function hideall(){

document.getElementById("dropmenudiv").style.visibility="hidden"

if(document.getElementById("subdropmenudiv"))

document.getElementById("subdropmenudiv").style.visibility="hidden"

}

function clearhidemenu(){

if (typeof delayhide!="undefined")

clearTimeout(delayhide)

}



if (hidemenu_onclick=="yes")

document.onclick=hidemenu