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;  }  }
//document.onclick = mclose;