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};
}

var zoek = function() {
  location.href = '/zoek/?q='+document.getElementById('q').value;
}
function makeSizeAdjustment(oTextArea) {
	if (navigator.appName.indexOf("Microsoft Internet Explorer") == 0){
		return;
	}
	while (oTextArea.scrollHeight > oTextArea.offsetHeight){
		oTextArea.rows++;
	}
}

/**
 * This script contains embed functions for common plugins. This scripts are complety free to use for any purpose.
 */

function writeFlash(p) {
	writeEmbed(
		'D27CDB6E-AE6D-11cf-96B8-444553540000',
		'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0',
		'application/x-shockwave-flash',
		p
	);
}

function writeShockWave(p) {
	writeEmbed(
	'166B1BCA-3F9C-11CF-8075-444553540000',
	'http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=8,5,1,0',
	'application/x-director',
		p
	);
}

function writeQuickTime(p) {
	writeEmbed(
		'02BF25D5-8C17-4B23-BC80-D3488ABDDC6B',
		'http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0',
		'video/quicktime',
		p
	);
}

function writeRealMedia(p) {
	writeEmbed(
		'CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA',
		'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0',
		'audio/x-pn-realaudio-plugin',
		p
	);
}

function writeWindowsMedia(p) {
	p.url = p.src;
	writeEmbed(
		'6BF52A52-394A-11D3-B153-00C04F79FAA6',
		'http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701',
		'application/x-mplayer2',
		p
	);
}

function writeEmbed(cls, cb, mt, p) {
	var h = '', n;

	h += '<object classid="clsid:' + cls + '" codebase="' + cb + '"';
	h += typeof(p.id) != "undefined" ? 'id="' + p.id + '"' : '';
	h += typeof(p.name) != "undefined" ? 'name="' + p.name + '"' : '';
	h += typeof(p.width) != "undefined" ? 'width="' + p.width + '"' : '';
	h += typeof(p.height) != "undefined" ? 'height="' + p.height + '"' : '';
	h += typeof(p.align) != "undefined" ? 'align="' + p.align + '"' : '';
	h += '>';

	for (n in p)
		h += '<param name="' + n + '" value="' + p[n] + '">';

	h += '<embed type="' + mt + '"';

	for (n in p)
		h += n + '="' + p[n] + '" ';

	h += '></embed></object>';

	document.write(h);
}