var ids=new Array('item1p','item2p','item3p');
var ddmenuitem=0;
var closetimer=0;
var timeout=0;

function menuOn(menuid){
	mcancelclosetime();
	//if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	menuOff();
	ddmenuitem = document.getElementById(menuid);
	ddmenuitem.style.visibility='visible';
}
function menuOff(){
	if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	//document.getElementById(menuid).style.visibility='hidden';
	//menuAllOff(ids);
}

function menuAllOff(ids){
	for ( i=0; i<ids.length; i++ ) {
		document.getElementById(ids[i]).style.visibility='hidden';
	}
}

function mclosetime()
{
	closetimer = window.setTimeout(menuOff, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}



document.onclick=menuOff;