//initialize XMLHttpRequest Object
function initialize(display)
{
  try
    {
    // Firefox, Opera 8.0+, Safari
    request=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      request=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        request=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        //keep it silent for now :)
        //alert("Your browser does not support AJAX!");
        request=false;
        }
      }
    }
    request.onreadystatechange=function()
    {
      handleStateChange(display);
    }
}

//handle state changes within the XMLHttpObject
function handleStateChange(display)
{
  if(request.readyState<4)
  {
    if(display)
    {
      display.innerHTML='Loading...';
    }
  }
  if(request.readyState==4)
  {
    if(display)
    {
      display.innerHTML=request.responseText;
    }
  }
}
//actually request something
function AJAXRequest(url,disp)
{
//does not need to be neccesarly initalized everytime it is used, but improves consistency
  initialize(disp);
  request.open('GET',url,'true');
  request.send(null);
}

function AJAXRequestPOST(url,disp,data)
{
//does not need to be neccesarly initalized everytime it is used, but improves consistency
  initialize(disp);
  request.open('POST',url,'true');
  request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");  
  request.setRequestHeader("Content-length", data.length);
  request.setRequestHeader("Connection", "close");
  request.send(data);
}

//change global display variable (IDTag)
function changeDisplay(disp)
{
  display = document.getElementById(disp);
}
function formToData(target)
{
  var data = '';
  for(i = 0; i < target.elements.length ; i++)
  {
    data += target.elements[i].name+'='+target.elements[i].value+'&'
  }
  return data.substring(0,data.length-1);
}

function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

function CommentSubmit(target,id,day,kid,dozid,type)
{
  var data = formToData(target);
  AJAXRequestPOST('display.php?mod=moduleinfo&id='+id+'&day='+day+'&kid='+kid+'&dozid='+dozid+'&type='+type,document.getElementById('moduleDisplay'),data);
}

var tmp;
var display = 'moduleDisplay';
initialize();
var tmp1;
    function high(elem)
    {
        tmp=elem.style.backgroundColor;
        tmp1=elem.style.color;
        elem.style.backgroundColor='#CC3C44';
        elem.firstChild.style.color='#FFFFFF';

    }
    function down(elem)
   {
      elem.style.backgroundColor=tmp;
      elem.firstChild.style.color=tmp1;
   }

  function hide()
{
	var elem = document.getElementById(display);
  if(elem)
  {
  	elem.style.visibility = 'hidden';
    elem.style.display = 'none';
  }
}

function show()
{
  var elem = document.getElementById(display);
  if(elem)
  {
    elem.style.visibility = 'visible';
    elem.style.display = 'block';
  }
}