function doOnmouseOverEvents(e, item, offsetx, offsety, img, info, naam) {	
	if (navigator.appName.indexOf("Microsoft")!=-1) {
		mouseX = item.offsetLeft;
		mouseY = item.offsetTop + offsety;
		
	} else {
		mouseX = item.offsetLeft;
		mouseY = item.offsetTop + offsety;
		/*mouseX = findPosX(item);
		mouseY = findPosY(item);*/
	}
	document.getElementById('tooltipSprekerInfo').innerHTML = info;
	document.getElementById('tooltipSprekerImg').src= img;
	document.getElementById('tooltipSprekerNaam').innerHTML = naam;
	document.getElementById('tooltipSpreker').style.display = 'block'; 
	document.getElementById('tooltipSpreker').style.top = mouseY+'px';
	document.getElementById('tooltipSpreker').style.left = mouseX+'px';
}



function doOnmouseOut() {
	document.getElementById('tooltipSpreker').style.display = 'none';
}

function findPosition( oElement ) {
  if( typeof( oElement.offsetParent ) != 'undefined' ) {
    for( var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent ) {
      posX += oElement.offsetLeft;
      posY += oElement.offsetTop;
    }
    return [ posX, posY ];
  } else {
    return [ oElement.x, oElement.y ];
  }
}

function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }