var lastmenu = '';

var pdd_posi = '';

var closeit = false;

function openpd(menu,preserve){

	if (preserve == undefined){

		preserve = false;

	}

	$(menu).closeit = false

	if (lastmenu != '' && preserve == true){

		$(lastmenu).closeit = true;

		aclosepd(lastmenu);

	}

	if ($(menu).className == 'pd' && $(menu).style.display != 'block'){

		hoverit('nv'+menu);

		//135 is the width of the pulldowns

		//subtract main tab width from 135
		if ($('nv'+menu).getWidth() == 0) {
			var bleft = 135 - 108;
			} else{
			var bleft = 135 - $('nv'+menu).getWidth();
			};

		var bleft = bleft / 2;

		$(menu).style.left = $('nv'+menu).positionedOffset()[0] - bleft +'px';
		
		pdd_posi = $('nv'+menu).getWidth() + $('nv'+menu).positionedOffset()[0] + 14;

	} else if ($(menu).className == 'pdd' && $(menu).style.display != 'block'){

		$(menu).style.left = pdd_posi + 'px';

		$(menu).style.top = ($('pditem_'+menu.replace('pdd_','')).positionedOffset()[1]+30)+'px';

		$('pditem_'+menu.replace('pdd_','')).style.backgroundColor='#fff';

	}

	$(menu).style.display='block';

	lastmenu = menu;

}


function closepd(menu){

	$(menu).closeit = true;

	window.setTimeout("aclosepd('"+menu+"')",1000);

}


function aclosepd(menu){

	if ($(menu).closeit){

		$(menu).style.display='none';

		if ($(menu).className == 'pd') {

			hoverout('nv'+menu);

		} else if ($(menu).className == 'pdd'){

			$('pditem_'+menu.replace('pdd_','')).style.backgroundColor='transparent';

		}

	}

}	



function hoverit(ID){

	 $(ID).className = $(ID).className + ' hover';

}

function hoverout(ID){

	$(ID).className = $(ID).className.replace('hover','');

}