function expand(id)
{
    for (var i = 0; i < trees.length; i++)
        if (trees[i].id == id)
            trees[i].expandAll();
}

function grow(el)
{
    (new YAHOO.util.Anim(el, { fontSize: { from: 1, to: 2, unit: 'em' } }, 0.10)).animate();
    alert(YAHOO.util.Element.getStyle(el, "fontSize"));
}

function shrink(el)
{
    (new YAHOO.util.Anim(el, { fontSize: { from: 2, to: 1, unit: 'em' } }, 0.10)).animate();
    //(new YAHOO.util.Anim(el, { fontSize: { to: 125, unit: '%' } }, 0.10)).animate();
}

YAHOO.util.Event.onDOMReady(function() {

    trees = [];

    var divs = YAHOO.util.Dom.getElementsByClassName("tree");
    for (var i = 0; i < divs.length; i++)
    {
        trees[i] = new YAHOO.widget.TreeView(divs[i]);
        trees[i].subscribe("clickEvent", function(o) { 
            if (o.node._type == "HTMLNode")
                return false;
        });
        divs[i].style.display = "block";
        trees[i].render();
    }

    fyi1();
});

function fyi1()
{
    connection = YAHOO.util.Connect.asyncRequest("GET", "/ajax/fyi.php", { success: fyi2 });
}

function fyi2(o)
{
    var fyi = YAHOO.util.Dom.get("fyi");
    if (o.responseXML && fyi)
        fyi.innerHTML = o.responseXML.documentElement.firstChild.data;
    window.setTimeout("fyi1()", 60000);
}


// http://code.google.com/apis/chart/docs/data_formats.html#axis_scale

var simpleEncoding = 
  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

// This function scales the submitted values so that
// maxVal becomes the highest value.
function simpleEncode(valueArray,maxValue) {
  var chartData = ['s:'];
  for (var i = 0; i < valueArray.length; i++) {
    var currentValue = valueArray[i];
    if (!isNaN(currentValue) && currentValue >= 0) {
    chartData.push(simpleEncoding.charAt(Math.round((simpleEncoding.length-1) * 
      currentValue / maxValue)));
    }
      else {
      chartData.push('_');
      }
  }
  return chartData.join('');
}

// Same as simple encoding, but for extended encoding.
var EXTENDED_MAP=
  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.';
var EXTENDED_MAP_LENGTH = EXTENDED_MAP.length;
function extendedEncode(arrVals, maxVal) {
  var chartData = 'e:';
  for(i = 0, len = arrVals.length; i < len; i++) {
    // In case the array vals were translated to strings.
    var numericVal = new Number(arrVals[i]);

    // Scale the value to maxVal.
    var scaledVal = Math.round(EXTENDED_MAP_LENGTH * 
        EXTENDED_MAP_LENGTH * numericVal/maxVal);

    if((scaledVal > EXTENDED_MAP_LENGTH * EXTENDED_MAP_LENGTH - 1) ||
       scaledVal > maxVal) {
      scaledVal = maxVal;
    } else if (scaledVal < 0) {
      chartData += '__';
      continue;
    } else {
      // Calculate first and second digits and add them to the output.
      var quotient = Math.floor(scaledVal / EXTENDED_MAP_LENGTH);
      var remainder = scaledVal - EXTENDED_MAP_LENGTH * quotient
      chartData += EXTENDED_MAP.charAt(quotient) + EXTENDED_MAP.charAt(remainder);
    }
  }
  return chartData;
}