var gnNavTime, glNavTimerSet;

function hideMenu(tnMenuID,glNavTimerSet) {
	var lcMenuItem;
	var stMenuID;
	
	if(glNavTimerSet) {
		window.clearTimeout(gnNavTime);
    	lcMenuItem = eval("document.getElementById(stMenuID)");
		lcMenuItem.style.visibility = "hidden";
	}
	else {
		gnNavTime = window.setTimeout('document.getElementById(stMenuID).style.visibility = "hidden"',250);
	}
}		

function showMenu(tnMenuID,glNavTimerSet) {
	var lcMenuItem;
	var lnMenuPos;
	var stMenuID;
	
	if(glNavTimerSet) {
		window.clearTimeout(gnNavTime);	
	}
	
	stMenuID = 'menuDIV' + tnMenuID;
	lcMenuItem = eval("document.getElementById(stMenuID)");
	clearOtherMenu(tnMenuID);
	
	if (tnMenuID == 1)
	{
	    document.getElementById(stMenuID).style.left = 568;
	}
	else
	{
	    document.getElementById(stMenuID).style.left = 641;
	}
	

	lcMenuItem.style.display = "block";
	lcMenuItem.style.visibility = "visible";
}

function clearOtherMenu(tnMenuID) {
    var lcMenuItem;
    if (tnMenuID == 1)
    {
    	lcMenuItem = eval("document.getElementById('menuDIV2')");
    }
    else
    {
    	lcMenuItem = eval("document.getElementById('menuDIV1')");
    }
    
    if (lcMenuItem.style.display != "none")
    {	
	    lcMenuItem.style.display = "none";
	    lcMenuItem.style.visibility = "hidden";
	}

    return;
}

function clearSubMenus() {
    clearOtherMenu(1);
    clearOtherMenu(2);
    
    return;
}