function addEvent(obj, evType, fn){
 if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
 } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
 } else {
    return false;
 }
}

function getSource(e)
{
	if (typeof e == 'undefined')
	{
		var e = window.event;
	}
	var source;
	if (typeof e.target != 'undefined')
	{
		source = e.target;
	}
	else if (typeof e.srcElement != 'undefined')
	{
		source = e.srcElement;
	}
	else
	{
		return false;
	}
	return source
}

function getCookie(name)
{
    var re = new RegExp(name + "=([^;]+)");
    var value = re.exec(document.cookie);
    return (value != null) ? unescape(value[1]) : null;
}
function setCookie(name, value)
{
   var expiry = new Date(new Date().getTime() + 999 * 24 * 60 * 60 * 1000);
   document.cookie=name + "=" + escape(value) + "; path=/; expires=" + expiry.toGMTString();
}

function toggle(link, areaId)
{
	area = document.getElementById(areaId);
	if (link)
		 link.className = (area.className=='hidden') ? 'visible' : 'hidden';
	area.className = (area.className=='hidden') ? 'visible' : 'hidden'
    setCookie(areaId, (area.className=='hidden') ? 'hidden' : 'visible');
}

function getAllChildren(e) {
  // Returns all children of element. Workaround required for IE5/Windows. Ugh.
  return e.all ? e.all : e.getElementsByTagName('*');
}

document.getElementsBySelector = function(selector) {
  // Attempt to fail gracefully in lesser browsers
  if (!document.getElementsByTagName) {
    return new Array();
  }
  // Split selector in to tokens
  var tokens = selector.split(' ');
  var currentContext = new Array(document);
  for (var i = 0; i < tokens.length; i++) {
    token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');;
    if (token.indexOf('#') > -1) {
      // Token is an ID selector
      var bits = token.split('#');
      var tagName = bits[0];
      var id = bits[1];
      var element = document.getElementById(id);
      if (tagName && element.nodeName.toLowerCase() != tagName) {
        // tag with that ID not found, return false
        return new Array();
      }
      // Set currentContext to contain just this element
      currentContext = new Array(element);
      continue; // Skip to next token
    }
    if (token.indexOf('.') > -1) {
      // Token contains a class selector
      var bits = token.split('.');
      var tagName = bits[0];
      var className = bits[1];
      if (!tagName) {
        tagName = '*';
      }
      // Get elements matching tag, filter them for class selector
      var found = new Array;
      var foundCount = 0;
      for (var h = 0; h < currentContext.length; h++) {
        var elements;
        if (tagName == '*') {
            elements = getAllChildren(currentContext[h]);
        } else {
            elements = currentContext[h].getElementsByTagName(tagName);
        }
        for (var j = 0; j < elements.length; j++) {
          found[foundCount++] = elements[j];
        }
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      for (var k = 0; k < found.length; k++) {
        if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) {
          currentContext[currentContextIndex++] = found[k];
        }
      }
      continue; // Skip to next token
    }
    // Code to deal with attribute selectors
    if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) {
      var tagName = RegExp.$1;
      var attrName = RegExp.$2;
      var attrOperator = RegExp.$3;
      var attrValue = RegExp.$4;
      if (!tagName) {
        tagName = '*';
      }
      // Grab all of the tagName elements within current context
      var found = new Array;
      var foundCount = 0;
      for (var h = 0; h < currentContext.length; h++) {
        var elements;
        if (tagName == '*') {
            elements = getAllChildren(currentContext[h]);
        } else {
            elements = currentContext[h].getElementsByTagName(tagName);
        }
        for (var j = 0; j < elements.length; j++) {
          found[foundCount++] = elements[j];
        }
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      var checkFunction; // This function will be used to filter the elements
      switch (attrOperator) {
        case '=': // Equality
          checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); };
          break;
        case '~': // Match one of space seperated words
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); };
          break;
        case '|': // Match start with value followed by optional hyphen
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); };
          break;
        case '^': // Match starts with value
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); };
          break;
        case '$': // Match ends with value - fails with "Warning" in Opera 7
          checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); };
          break;
        case '*': // Match ends with value
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); };
          break;
        default :
          // Just test for existence of attribute
          checkFunction = function(e) { return e.getAttribute(attrName); };
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      for (var k = 0; k < found.length; k++) {
        if (checkFunction(found[k])) {
          currentContext[currentContextIndex++] = found[k];
        }
      }
      // alert('Attribute Selector: '+tagName+' '+attrName+' '+attrOperator+' '+attrValue);
      continue; // Skip to next token
    }
    // If we get here, token is JUST an element (not a class or ID selector)
    tagName = token;
    var found = new Array;
    var foundCount = 0;
    for (var h = 0; h < currentContext.length; h++) {
      var elements = currentContext[h].getElementsByTagName(tagName);
      for (var j = 0; j < elements.length; j++) {
        found[foundCount++] = elements[j];
      }
    }
    currentContext = found;
  }
  return currentContext;
}


document.getElementsByClassName = function (needle)
{
  var         my_array = document.getElementsByTagName("*");
  var         retvalue = new Array();
  var        i;
  var        j;

  for (i = 0, j = 0; i < my_array.length; i++)
  {
    var c = " " + my_array[i].className + " ";
    if (c.indexOf(" " + needle + " ") != -1)
      retvalue[j++] = my_array[i];
  }
  return retvalue;
}

function hideHiddenClasses()
{
	var areas = document.getElementsByClassName('startHidden');
   var cname;
   var ln;

	for (var i = 0; (area = areas[i]); i++)
	{
		cname = getCookie(area.id);
		if (!cname)
			cname = 'hidden';
		area.className = cname;
		ln = document.getElementById(area.id+"Link");
		if (ln)
			ln.className = cname;
	}

   var vareas = document.getElementsByClassName('startVisible');

	for (i = 0; (area = vareas[i]); i++)
	{
		cname = getCookie(area.id);
		if (!cname)
			cname = 'visible';
		area.className = cname;
		ln = document.getElementById(area.id+"Link");
		if (ln)
			ln.className = cname;
	}
}

addEvent(window, 'load', hideHiddenClasses);


function stripe(table)
{
	var even = false;
	if (! table) { return; }

	var trs = table.getElementsByTagName("tr");
	for (var i = 0; i < trs.length; i++) 
	{	
		trs[i].className = trs[i].className.replace("evenRow", "");
		trs[i].className = trs[i].className.replace("oddRow", "");
		trs[i].className += (even) ? ' evenRow' : ' oddRow';
		even =  ! even;
	}
}

function zebra()
{
	var tables = document.getElementsByTagName("tbody");
	for (var i=0; i<tables.length; i++)
	{
		stripe(tables[i]);
	}
}

addEvent(window, 'load', zebra);


function inputHover(table)
{

	var inputs = document.getElementsByTagName("input");
	for (var i = 0; i < inputs.length; i++) 
	{	
		 inputs[i].onmouseover = function() {this.className += ' hover'; return false};
		 inputs[i].onmouseout = function() {this.className=this.className.replace('hover', '');return false}
	}
}


addEvent(window, 'load', inputHover);


function tableruler()
{
 if (document.getElementById && document.createTextNode)
  {
   var tables=document.getElementsByTagName('table');
   for (var i=0;i<tables.length;i++)
   {
     var trs=tables[i].getElementsByTagName('tr');
     for(var j=0;j<trs.length;j++)
     {
      if(trs[j].parentNode.nodeName=='TBODY' && trs[j].parentNode.nodeName!='TFOOT')
       {
       trs[j].onmouseover=function(){this.className+=' ruled';return false}
       trs[j].onmouseout=function(){this.className=this.className.replace('ruled', '');return false}
     }
    }
  }
 }
}
//addEvent(window, 'load', tableruler);