var timeout=500;var closetimer=0;var ddmenuitem=0;function mopen(id)
{mcancelclosetime();if(ddmenuitem)ddmenuitem.style.visibility='hidden';ddmenuitem=document.getElementById(id);ddmenuitem.style.visibility='visible';}
function mclose()
{if(ddmenuitem)ddmenuitem.style.visibility='hidden';}
function mclosetime()
{closetimer=window.setTimeout(mclose,timeout);}
function mcancelclosetime()
{if(closetimer)
{window.clearTimeout(closetimer);closetimer=null;}}
function display (category) {
	var whichcategory = document.getElementById(category);
	if (whichcategory.className=="show") {
		whichcategory.className="hide";
	} else {
		whichcategory.className="show";
	}
}
document.onclick=mclose;