var numberOfStations = '17';
var anyHidden = '';
var anyVisible = '1';
var state = false;

function setZebra()
{
	var zebra = true;
	var elements = false;
	for (var k = 0; k <= numberOfStations; k++)
	{
		var elements = document.getElementById('key_' + k);
		if (elements && elements.style.display != 'none')
		{
			elements = elements.getElementsByTagName('table')[0];
			if (elements)
			{
                elements = elements.getElementsByTagName('td');
    			if (elements)
    			{
    				for (var j = 0; j < elements.length; j++)
    				{
    					if (zebra)
    		    	{
    		    		elements[j].setAttribute('bgcolor', '#E3E3E3');
    		    		elements[j].style.backgroundColor = '#E3E3E3';
    		    	}
    		    	else
    		    	{
    		    		elements[j].setAttribute('bgcolor', '#F2F2F2');
    		    		elements[j].style.backgroundColor = '#F2F2F2';
    		    	}
    				}
    				zebra = !zebra;
    			}
    		}
    }
  }
}

function nurKonfigurierteMesswerteAnzeigen()
{
  if (document.getElementById('tableHeading') && anyVisible)
  {
  	document.getElementById('tableHeading').style.display = '';
  }
  else if (!anyVisible)
  {
  	document.getElementById('tableHeading').style.display = 'none';
  }
  document.getElementById('key_1').style.display = '';document.getElementById('key_2').style.display = '';document.getElementById('key_3').style.display = '';document.getElementById('key_4').style.display = '';document.getElementById('key_5').style.display = '';document.getElementById('key_6').style.display = '';document.getElementById('key_7').style.display = '';document.getElementById('key_8').style.display = '';document.getElementById('key_9').style.display = '';document.getElementById('key_10').style.display = '';document.getElementById('key_11').style.display = '';document.getElementById('key_12').style.display = '';document.getElementById('key_13').style.display = '';document.getElementById('key_14').style.display = '';document.getElementById('key_15').style.display = '';document.getElementById('key_16').style.display = '';document.getElementById('key_17').style.display = '';  if (anyHidden)
  {
  	document.getElementById('configuredOnly').style.display = 'none';
  }
  document.getElementById('showAll').style.display = '';
  document.getElementById('hideAll').style.display = '';
  setZebra();
  document.cookie = 'view=2;path=/;domain=.wetterwarte-sued.com;expires=' + new Date(new Date().getTime() + 365 * 24 * 3600).toGMTString() + ';';
}

function alleMesswerteAnzeigen()
{
  for (i = 0; i <= numberOfStations; i++)
  {
    if (document.getElementById('key_' + i))
    {
      document.getElementById('key_' + i).style.display = '';
    }
  }
  if (document.getElementById('tableHeading'))
  {
  	document.getElementById('tableHeading').style.display = '';
  }
  if (anyHidden)
  {
  	document.getElementById('configuredOnly').style.display = '';
  }
  document.getElementById('showAll').style.display = 'none';
  document.getElementById('hideAll').style.display = '';
  setZebra();
  document.cookie = 'view=1;path=/;domain=.wetterwarte-sued.com;expires=' + new Date(new Date().getTime() + 365 * 24 * 3600).toGMTString() + ';';
}

function alleMesswerteVerstecken()
{
  for (i = 0; i <= numberOfStations; i++)
  {
    if (document.getElementById('key_' + i))
    {
      document.getElementById('key_' + i).style.display = 'none';
    }
  }
  if (document.getElementById('tableHeading'))
  {
  	document.getElementById('tableHeading').style.display = 'none';
  }
  if (anyHidden)
  {
  	document.getElementById('configuredOnly').style.display = '';
  }
  document.getElementById('showAll').style.display = '';
  document.getElementById('hideAll').style.display = 'none';
  setZebra();
  document.cookie = 'view=0;path=/;domain=.wetterwarte-sued.com;expires=' + new Date(new Date().getTime() + 365 * 24 * 3600).toGMTString() + ';';
}

function alleMesswerteAnzeigenVerstecken()
{
  if (!state && document.getElementById('showAll').style.display != 'none')
  {
    alleMesswerteAnzeigen();
    state = true;
  }
  else
  {
    alleMesswerteVerstecken();
    state = false;
  }
}

alleMesswerteVerstecken();