var varsize=12;
  function doZoomin(){
  
  var varsizeold=varsize;
  if(varsize<14)
	{
      varsize++
      document.getElementById('ZoomIn'+varsizeold).id='ZoomIn'+varsize;

	}
	
	return false;
}
function doZoomout(){
  
  var varsizeold=varsize;
  if(varsize>9)
	{
      varsize--
      document.getElementById('ZoomIn'+varsizeold).id='ZoomIn'+varsize;
	}
	return false;
}