//this script is used to switch the time ranges of the kurscharts
function toggle( targetId )
{
  if (document.getElementById)
  {
    var target  = document.getElementById( targetId );

document.getElementById("intraday").style.display='none';
document.getElementById("wochenchart").style.display='none';
document.getElementById("monatschart").style.display='none';
document.getElementById("jahreschart").style.display='none';

    if (targetId == "intraday")
    {
      target.style.display = "block";
    }
    if (targetId == "wochenchart")
    {
      target.style.display = "block";
    }
    if (targetId == "monatschart")
    {
      target.style.display = "block";
    }
    if (targetId == "jahreschart")
    {
      target.style.display = "block";
    }
  }
}