var timerID = null;
		var timerOn = false;
		var timecount = 250;
		var what = null;
		var newbrowser = true;
		var check = false;
		
		
function hideAll(){
			document.getElementById('practicalmore').style.visibility="hidden";
			document.getElementById('cousemore').style.visibility="hidden";
			document.getElementById('placoursemore').style.visibility="hidden";
				}
function startTime() {
       if (timerOn == false) {
          timerID=setTimeout( "hideAll()" , timecount);
          timerOn = true;  }
		}
function stopTime() {
	   if (timerOn) {
    	  clearTimeout(timerID);
          timerID = null;
          timerOn = false; }
		}