/*****************************************/
/** Usable Forms 2.0, November 2005     **/
/** Written by ppk, www.quirksmode.org  **/
/** Instructions for use on my site     **/
/**                                     **/
/** You may use or change this script   **/
/** only when this copyright notice     **/
/** is intact.                          **/
/**                                     **/
/** If you extend the script, please    **/
/** add a short description and your    **/
/** name below.                         **/
/*****************************************/

var containerTag = 'TR';

var compatible = (
	document.getElementById && document.getElementsByTagName && document.createElement
	&&
	!(navigator.userAgent.indexOf('MSIE 5') != -1 && navigator.userAgent.indexOf('Mac') != -1)
	);

if (compatible)
{
	document.write('<style>.accessibility{display: none}</style>');
	var waitingRoom = document.createElement('div');
}

var hiddenFormFieldsPointers = new Object();

function prepareForm()
{
	if (!compatible) return;
	var marker = document.createElement(containerTag);
	marker.style.display = 'none';

	var x = document.getElementsByTagName('select');
	for (var i=0;i<x.length;i++)
		addEvent(x[i],'change',showHideFields)

	var x = document.getElementsByTagName(containerTag);
	var hiddenFields = new Array;
	for (var i=0;i<x.length;i++)
	{
		if (x[i].getAttribute('rel'))
		{
			var y = getAllFormFields(x[i]);
			x[i].nestedRels = new Array();
			for (var j=0;j<y.length;j++)
			{
				var rel = y[j].getAttribute('rel');
				if (!rel || rel == 'none') continue;
				x[i].nestedRels.push(rel);
			}
			if (!x[i].nestedRels.length) x[i].nestedRels = null;
			hiddenFields.push(x[i]);
		}
	}

	while (hiddenFields.length)
	{
		var rel = hiddenFields[0].getAttribute('rel');
		if (!hiddenFormFieldsPointers[rel])
			hiddenFormFieldsPointers[rel] = new Array();
		var relIndex = hiddenFormFieldsPointers[rel].length;
		hiddenFormFieldsPointers[rel][relIndex] = hiddenFields[0];
		var newMarker = marker.cloneNode(true);
		newMarker.id = rel + relIndex;
		hiddenFields[0].parentNode.replaceChild(newMarker,hiddenFields[0]);
		waitingRoom.appendChild(hiddenFields.shift());
	}
	
	setDefaults();
	addEvent(document,'click',showHideFields);
}

function setDefaults()
{
	var y = document.getElementsByTagName('input');
	for (var i=0;i<y.length;i++)
	{
		if (y[i].checked && y[i].getAttribute('rel'))
			intoMainForm(y[i].getAttribute('rel'))
	}

	var z = document.getElementsByTagName('select');
	for (var i=0;i<z.length;i++)
	{
		if (z[i].options[z[i].selectedIndex].getAttribute('rel'))
			intoMainForm(z[i].options[z[i].selectedIndex].getAttribute('rel'))
	}

}

function showHideFields(e)
{
	if (!e) var e = window.event;
	var tg = e.target || e.srcElement;

	if (tg.nodeName == 'LABEL')
	{
		var relatedFieldName = tg.getAttribute('for') || tg.getAttribute('htmlFor');
		tg = document.getElementById(relatedFieldName);
	}
		
	if (
		!(tg.nodeName == 'SELECT' && e.type == 'change')
		&&
		!(tg.nodeName == 'INPUT' && tg.getAttribute('rel'))
	   ) return;

	var fieldsToBeInserted = tg.getAttribute('rel');

	if (tg.type == 'checkbox')
	{
		if (tg.checked)
			intoMainForm(fieldsToBeInserted);
		else
			intoWaitingRoom(fieldsToBeInserted);
	}
	else if (tg.type == 'radio')
	{
		removeOthers(tg.form[tg.name],fieldsToBeInserted)
		intoMainForm(fieldsToBeInserted);
	}
	else if (tg.type == 'select-one')
	{
		fieldsToBeInserted = tg.options[tg.selectedIndex].getAttribute('rel');
		removeOthers(tg.options,fieldsToBeInserted);
		intoMainForm(fieldsToBeInserted);
	}
}

function removeOthers(others,fieldsToBeInserted)
{
	for (var i=0;i<others.length;i++)
	{
		var show = others[i].getAttribute('rel');
		if (show == fieldsToBeInserted) continue;
		intoWaitingRoom(show);
	}
}

function intoWaitingRoom(relation)
{
	if (relation == 'none') return;
	var Elements = hiddenFormFieldsPointers[relation];
	for (var i=0;i<Elements.length;i++)
	{
		waitingRoom.appendChild(Elements[i]);
		if (Elements[i].nestedRels)
			for (var j=0;j<Elements[i].nestedRels.length;j++)
				intoWaitingRoom(Elements[i].nestedRels[j]);
	}
}

function intoMainForm(relation)
{
	if (relation == 'none') return;
	var Elements = hiddenFormFieldsPointers[relation];
	for (var i=0;i<Elements.length;i++)
	{
		var insertPoint = document.getElementById(relation+i);
		insertPoint.parentNode.insertBefore(Elements[i],insertPoint);
		if (Elements[i].nestedRels)
		{
			var fields = getAllFormFields(Elements[i]);
			for (var j=0;j<fields.length;j++)
			{
				if (!fields[j].getAttribute('rel')) continue;
				if (fields[j].checked || fields[j].selected) 
					intoMainForm(fields[j].getAttribute('rel'));
			}
		}
	}
}

function getAllFormFields(node)
{
	var allFormFields = new Array;
	var x = node.getElementsByTagName('input');
	for (var i=0;i<x.length;i++)
		allFormFields.push(x[i]);
	var y = node.getElementsByTagName('option');
	for (var i=0;i<y.length;i++)
		allFormFields.push(y[i]);
	return allFormFields;
}

/** ULTRA-SIMPLE EVENT ADDING **/

function addEvent(obj,type,fn)
{
	if (obj.addEventListener)
		obj.addEventListener(type,fn,false);
	else if (obj.attachEvent)
		obj.attachEvent("on"+type,fn);
}

addEvent(window,"load",prepareForm);


/** PUSH AND SHIFT FOR IE5 **/

function Array_push() {
	var A_p = 0
	for (A_p = 0; A_p < arguments.length; A_p++) {
		this[this.length] = arguments[A_p]
	}
	return this.length
}

if (typeof Array.prototype.push == "undefined") {
	Array.prototype.push = Array_push
}

function Array_shift() {
	var A_s = 0
	var response = this[0]
	for (A_s = 0; A_s < this.length-1; A_s++) {
		this[A_s] = this[A_s + 1]
	}
	this.length--
	return response
}

if (typeof Array.prototype.shift == "undefined") {
	Array.prototype.shift = Array_shift
}


/**********************************************************/

<!-- Original: Mike McGrath  (mike_mcgrath@lineone.net) -->
<!-- Web Site: http://website.lineone.net/~mike_mcgrath -->
<!--

var Xoffset=15;        // modify these values to ...
var Yoffset=20;        // change the popup position.
var popwidth=200;       // popup width
var bcolor="darkgray";  // popup border color
var fcolor="black";     // popup font color
var fface="verdana";    // popup font face

// create content box
document.write("<DIV ID='pup'></DIV>");

// id browsers
var iex=(document.all);
var nav=(document.layers);
var old=(navigator.appName=="Netscape" && !document.layers && !document.getElementById);
var n_6=(window.sidebar);

// assign object
var skin;
if(nav) skin=document.pup;
if(iex) skin=pup.style;
if(n_6) skin=document.getElementById("pup").style;

// park modifier
var yyy=-1000;

// capture pointer
if(nav)document.captureEvents(Event.MOUSEMOVE);
if(n_6) document.addEventListener("mousemove",get_mouse,true);
if(nav||iex)document.onmousemove=get_mouse;

// set dynamic coords
function get_mouse(e)
{
  var x,y;

  if(nav || n_6) x=e.pageX;
  if(iex) x=event.x+document.body.scrollLeft;

  if(nav || n_6) y=e.pageY;
  if(iex)
  {
    y=event.y;
    if(navigator.appVersion.indexOf("MSIE 4")==-1)
      y+=document.body.scrollTop;
  }

  if(iex || nav)
  {
    skin.top=y+yyy;
    skin.left=x+Xoffset;
  }

  if(n_6)
  {
    skin.top=(y+yyy)+"px";
    skin.left=x+Xoffset+"px";
  }
  nudge(x);
}

// avoid edge overflow
function nudge(x)
{
  var extreme,overflow,temp;

  // right
  if(iex) extreme=(document.body.clientWidth-popwidth);
  if(n_6 || nav) extreme=(window.innerWidth-popwidth);

  if(parseInt(skin.left)>extreme)
  {
    overflow=parseInt(skin.left)-extreme;
    temp=parseInt(skin.left);
    temp-=overflow;
    if(nav || iex) skin.left=temp;
    if(n_6)skin.left=temp+"px";
  }

  // left
  if(parseInt(skin.left)<1)
  {
    overflow=parseInt(skin.left)-1;
    temp=parseInt(skin.left);
    temp-=overflow;
    if(nav || iex) skin.left=temp;
    if(n_6)skin.left=temp+"px";
  }
}

// write content & display
function popupw(msg,bak)
{

  var content="<TABLE WIDTH='"+popwidth+"' BORDER='0' BORDERCOLOR="+bcolor+" CELLPADDING=2 CELLSPACING=0 "+"BGCOLOR="+bak+"><TD class=txt2-9><FONT COLOR="+fcolor+" FACE="+fface+" SIZE='2'>"+msg+"</FONT></TD></TABLE>";

  if(old)
  {
    alert(msg);
    return;
  }

  yyy=Yoffset;
  skin.width=popwidth;

  if(nav)
  {
    skin.document.open();
    skin.document.write(content);
    skin.document.close();
    skin.visibility="visible";
  }

  if(iex)
  {
    pup.innerHTML=content;
    skin.visibility="visible";
  }

  if(n_6)
  {
    document.getElementById("pup").innerHTML=content;
    skin.visibility="visible";
  }
}


// park content box
function kill()
{
  if(!old)
  {
    yyy=-1000;
    skin.visibility="hidden";
    skin.width=0;
  }
}



/*****************************************/

function comboselect_onchange(oSelect,oText) {

  if(oSelect.selectedIndex != -1 && oSelect.selectedIndex != 0 )
    oText.value = oSelect.options[oSelect.selectedIndex].text;
}

function comboselect_onkeyup(keyCode,oSelect,oText){
 if(oSelect.selectedIndex != -1 && oSelect.selectedIndex != 0 ) {
	  if (keyCode == 13) {
	    comboselect_onchange(oSelect, oText);
	    oText.focus();
	  }
  }
}

function confirmation(ename) {
	var answer = confirm("Are you sure you wish to remove " + ename + "?")
	if (answer){
		return (true);
	}
	else{
		return (false);
	}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

//-->

 function checkgoodkeys(e, goodkeys)
  {
    var key, keychar;
    key = getkey(e);
    if (key == null)
    {
      return true;
    }

    // get character
    keychar = String.fromCharCode(key);
    keychar = keychar.toLowerCase();
    goodkeys = goodkeys.toLowerCase();

    // check goodkeys
    if (goodkeys.indexOf(keychar) != -1)
    {
    	return true;
    }

    // control keys
    if ( key==null || key==0 || key==8 || key==9 || key==13 || key==27 )
    {
       return true;
    }

    // else return false
    alert ("Invalid key pressed - only numbers are allowed");
    return false;
  }

  function getkey(e)
  {
    if (window.event)
    {
      return window.event.keyCode;
    }
    else if (e)
    {
       return e.which;
    }
    else
    {
       return null;
    }
  }