var IE6 = false

var strChUserAgent = navigator.userAgent;
var intSplitStart = strChUserAgent.indexOf("(",0);
var intSplitEnd = strChUserAgent.indexOf(")",0);
var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);

if(strChMid.indexOf("MSIE 6") != -1) IE6 = true;

if (!IE6) {
  var ElementMaxHeight = function() {
    this.initialize.apply(this, arguments);
  }

  ElementMaxHeight.prototype = {
    initialize: function(className) {
      this.elements = document.getElementsByClassName(className || 'maxheight');    
      this.textElement = document.createElement('span');
      this.textElement.appendChild(document.createTextNode('A'));
      this.textElement.style.display = 'block';
      this.textElement.style.position = 'absolute';
      this.textElement.style.fontSize = '1em';
      this.textElement.style.top = '-1000px';
      this.textElement.style.left = '-1000px';
      document.body.appendChild(this.textElement);
      this.textElementHeight = document.getDimensions(this.textElement).height;
      var __object = this;
      var __checkFontSize = this.checkFontSize;
      this.checkFontSizeInterval = window.setInterval(function() {return __checkFontSize.apply(__object)}, 500);

      this.expand();

      // Refresh elements height onResize event
      var __expand = this.expand;
      if (window.addEventListener) {
        window.addEventListener('resize', function(event) {return __expand.apply(__object, [( event || window.event)])}, false);
      } else if (window.attachEvent) {
        window.attachEvent('onresize', function(event) {return __expand.apply(__object, [( event || window.event)])});
      }
    },

    expand: function() {
      this.reset();
      for (var i = 0; i < this.elements.length; i++) {  	
        this.elements[i].style.height = document.getDimensions(this.elements[i].parentNode).height + 'px';
      }
    },

    reset: function() {
      for (var i = 0; i < this.elements.length; i++) {    
        this.elements[i].style.height = 'auto';
      }
    },

    checkFontSize: function() {
      var height = document.getDimensions(this.textElement).height;
      if(this.textElementHeight != height) {
        this.textElementHeight = height;
        this.expand();
      }
    }  
  }


  if (!!document.evaluate) {
    document._getElementsByXPath = function(expression, parentElement) {
      var results = [];
      var query = document.evaluate(expression, parentElement || document,
        null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
      for (var i = 0, length = query.snapshotLength; i < length; i++)
        results.push(query.snapshotItem(i));
      return results;
    }
  }

  document.getElementsByClassName = function(className, parentElement) {
    if (!!document.evaluate) {
      var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
      return document._getElementsByXPath(q, parentElement);
    } else {
      var children = (parentElement || document.body).getElementsByTagName('*');
      var elements = [], child;
      for (var i = 0, length = children.length; i < length; i++) {
        child = children[i];
        if (child.className.length != 0 &&
            (child.className == className ||
             child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))) {      
          elements.push(child);
        }
      }
      return elements;
    }
  }

  document.getDimensions = function (element) {
    var display = element.style.display;
    if (display != 'none' && display != null) { // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};
    }

    return {width: originalWidth, height: originalHeight};
  }
}