// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove
document.onmousemove = getMouseXY;

// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

// Main function to retrieve mouse x-y pos.s

function getMouseXY(e) {

  if (IE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + document.body.scrollLeft
    tempY = event.clientY + document.body.scrollTop
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
}

function moveDiv(div_id, x, y) {
	el = document.getElementById(div_id);
	el.style.left = x+"px";
	el.style.top = y+"px";
}

function showDiv(div_id, text) {
	el = document.getElementById(div_id);
	el.style.display = 'block';
	moveDiv(div_id, tempX+5, tempY-25);
	sp = document.getElementById('nummer_info_plaatsnaam');
	sp.innerHTML = text;
}

function hideDiv(div_id) {
	el = document.getElementById(div_id);
	el.style.display = 'none';
}