var timer
var currentMenu
function CloseMenus(){
	clearTimeout(timer)
	document.getElementById("mcommercial").style.top="-185px"
	document.getElementById("mresidential").style.top="-185px"
	document.getElementById("mrealestate").style.top="-185px"
	document.getElementById("mrealestate2").style.top="-185px"
	document.getElementById("minformation").style.top="-185px"
	
	document.getElementById("subnavigation").style.zIndex= -5
}

function StartTimer(){
	timer=setTimeout("CloseMenus()",1500)
}

function MaintainMenu(){
	clearTimeout(timer)
}

function OpenMenu(which){
	clearTimeout(timer)
	currentMenu=document.getElementById(which).style
	if(parseInt(currentMenu.top) < -1)
	{
		CloseMenus()
		document.getElementById("subnavigation").style.zIndex=10
		DropMenuDOM()
	}
	
}

function DropMenuDOM(){
	if(parseInt(currentMenu.top)< -8)
	{
		currentMenu.top=parseInt(currentMenu.top)+10+"px"
		setTimeout("DropMenuDOM()",10)
	} else {
		currentMenu.top="0px"
	}
}