var element = null;
var myRequest = new Array();
var i = 1;

function fcksafe(value)
{
  var fck = FCKeditorAPI.GetInstance(value).GetXHTML();
  fck     = fck.replace(/&/g, '');
  fck     = htmlEntityDecode(fck);
  return fck;
}

function g(value)
{
  return document.getElementById(value).value;
}

//Sets up the XmlHttpObject, included here because it needs to be called a lot. 
function GetXmlHttpObject()
{
	//Nulls and refreshes the xmlHTTP variable.
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	} catch (e) {
		// Internet Explorer
		try {
			//IE 6+
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try
			{
				//IE 5.5
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {
				alert("Your browser does not support AJAX!");
    		    return false;
			}
		}
	}
	return xmlHttp;
}

function htmlEntityDecode(str) 
{
  var ta = document.createElement("textarea");
  ta.innerHTML = str.replace(/</g,"&lt;").replace(/>/g,"&gt;");
  return ta.value;
}

function new_freecap()
{
	// loads new freeCap image
	if(document.getElementById)
	{
		// extract image name from image source (i.e. cut off ?randomness)
		thesrc = document.getElementById("freecap").src;
		thesrc = thesrc.substring(0,thesrc.lastIndexOf(".")+4);
		// add ?(random) to prevent browser/isp caching
		document.getElementById("freecap").src = thesrc+"?"+Math.round(Math.random()*100000);
	} else {
		alert("Sorry, cannot autoreload freeCap image\nSubmit the form and a new freeCap will be loaded");
	}
}

//The current class for the AJAX. Simply sets elementname.innerHTML to be the result from AJAX to url. 
function quickRequest(url, elementname, postvars)
{
	var httpObject = GetXmlHttpObject();
	httpObject.onreadystatechange = handleCallback;

  if (postvars)
  {
  	httpObject.open("POST", url, true);
  	httpObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    httpObject.setRequestHeader("Content-length", postvars.length);
    httpObject.setRequestHeader("Connection", "close");
  	httpObject.send(postvars);
  } else {
    httpObject.open("GET", url, true);
  	httpObject.send(null);
  }
	
	function handleCallback()
	{
	  /*
    0 = uninitialized 
    1 = loading 
    2 = loaded 
    3 = interactive 
    4 = complete 
    */
    switch (httpObject.readyState)
    {
      case 4:
        set(httpObject.responseText);
      break;
      
      default:
        set('<img src="/images/ajax/activityanimation.gif" />');
      break;
    }
	}
	
	function set(text)
	{
	  document.getElementById(elementname).innerHTML = text;
  }
}

//The class for the AJAX
function requestObject(url, string, functionC, info1)
{
	var httpObject = GetXmlHttpObject();
	httpObject.onreadystatechange = handleCallback;
	this.getRequest = function()
	{
		httpObject.open("GET", url, true);
		httpObject.send(null);
	}
	
	this.postRequest = function()
	{
		httpObject.open("POST", url, true);
    httpObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		httpObject.send(string);
		alert('Posted with '+string);
	}
	
	function handleCallback()
	{
		if (httpObject.readyState == 4)
		{
			functionC(httpObject.responseText, info1);
		}
	}
}

function selectToString(id, delim)
{
  var element = document.getElementById(id);
  var string  = '';
  for (var i=0; i < element.options.length ;i++) 
  {
    if ((element.options[i].selected) && (element.options[i].value.length > 0)) 
    {
      string = element.options[i].value+delim+string;
    }
  }
  string = string.substring(0, string.length - delim.length);
  return string;
}

//Toggles a layer to be visible or invisible.
//force accepts "visible" or "invisible" as strings
function toggleLayer(whichLayer, force)
{
  var elem, vis;
  if(document.getElementById) // this is the way the standards work
  {
    elem = document.getElementById( whichLayer );
  } else if( document.all ) { // this is the way old msie versions work
    elem = document.all[whichLayer];
  } else if( document.layers ) { // this is the way nn4 works
    elem = document.layers[whichLayer];
  }
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if (force == "visible")
  {
    vis.display = 'block';
  } else if (force == "invisible") {
    vis.display = "none";    
  } else {
    if(vis.display=='' && (elem.offsetWidth != undefined) && (elem.offsetHeight!=undefined))
    {
      vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0) ? 'block' : 'none';
    }
    vis.display = (vis.display==''||vis.display=='block') ? 'none' : 'block';
  }
}

/*Suckerfish*/

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);