var timeout = 300;
var timerref = 0;
var menueeintrag = 0;
  
function menue_oeffnen() {  
    menue_canceltimer();
    menue_schliessen();
    menueeintrag = $(this).find('div').eq(0).css('visibility', 'visible');
  }
  function menue_schliessen() {
    if(menueeintrag) {
      //menueeintrag.fadeOut(100);
    	menueeintrag.css('visibility', 'hidden');
    }
  }
  function menue_timer() {  
    timerref = window.setTimeout(menue_schliessen, timeout);
  }
  function menue_canceltimer() {  
    if(timerref) {  
      window.clearTimeout(timerref);
      timerref = null;
    }
  }

$(document).ready(function() {
	$('#nav1 > li.nav1-item').bind('mouseover', menue_oeffnen);
    $('#nav1 > li.nav1-item').bind('mouseout',  menue_timer);
	$(document).bind('onclick',  menue_schliessen);
    }
);