//Global Variables
var NF = new Array();
var isIE = false;
var resizeTest = 1;

//Initialization function
function NFInit() {
	try {
		document.execCommand('BackgroundImageCache', false, true);
	} catch(e) {}
	if(!document.getElementById) {return false;}
	//alert("click me first");
	NFDo('start');
}
function NFDo(what) {
	var niceforms = document.getElementsByTagName('form');
	var identifier = new RegExp('(^| )'+'niceform'+'( |$)');
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
		var ieversion=new Number(RegExp.$1);
		if(ieversion < 7) {return false;} //exit script if IE6
		isIE = true;
	}
	for(var q = 0; q < niceforms.length; q++) {if(identifier.test(niceforms[q].className)) {
		if(what == "start") { //Load Niceforms
			NF[q] = new niceform(niceforms[q]);
			niceforms[q].start();
		}
		else { //Unload Niceforms
			niceforms[q].unload();
			NF[q] = "";
		}
	}}
}
function NFFix() {
	NFDo('stop');
	NFDo('start');
}
function niceform(nf) {
	nf._inputText = new Array(); nf._inputRadio = new Array(); nf._inputCheck = new Array(); nf._inputSubmit = new Array(); nf._inputFile = new Array(); nf._textarea = new Array(); nf._select = new Array(); nf._multiselect = new Array();
	nf.add_inputText = function(obj) {this._inputText[this._inputText.length] = obj; inputText(obj);}
	nf.add_inputRadio = function(obj) {this._inputRadio[this._inputRadio.length] = obj; inputRadio(obj);}
	nf.add_inputCheck = function(obj) {this._inputCheck[this._inputCheck.length] = obj; inputCheck(obj);}
	nf.add_inputSubmit = function(obj) {this._inputSubmit[this._inputSubmit.length] = obj; inputSubmit(obj);}
	nf.add_inputFile = function(obj) {this._inputFile[this._inputFile.length] = obj; inputFile(obj);}
	nf.add_textarea = function(obj) {this._textarea[this._textarea.length] = obj; textarea(obj);}
	nf.add_select = function(obj) {this._select[this._select.length] = obj; selects(obj);}
	nf.add_multiselect = function(obj) {this._multiselect[this._multiselect.length] = obj; multiSelects(obj);}
	nf.start = function() {
		//Separate and assign elements
		var allInputs = this.getElementsByTagName('input');
		for(var w = 0; w < allInputs.length; w++) {
			switch(allInputs[w].type) {
				case "text": case "password": {this.add_inputText(allInputs[w]); break;}
				case "radio": {this.add_inputRadio(allInputs[w]); break;}
				case "checkbox": {this.add_inputCheck(allInputs[w]); break;}
				case "submit": case "reset": case "button": {this.add_inputSubmit(allInputs[w]); break;}
				case "file": {this.add_inputFile(allInputs[w]); break;}
			}
		}
		var allButtons = this.getElementsByTagName('button');
		for(var w = 0; w < allButtons.length; w++) {
			this.add_inputSubmit(allButtons[w]);
		}
		var allTextareas = this.getElementsByTagName('textarea');
		for(var w = 0; w < allTextareas.length; w++) {
			this.add_textarea(allTextareas[w]);
		}
		var allSelects = this.getElementsByTagName('select');
		for(var w = 0; w < allSelects.length; w++) {
			if(allSelects[w].size == "1") {this.add_select(allSelects[w]);}
			else {this.add_multiselect(allSelects[w]);}
		}
		//Start
		for(w = 0; w < this._inputText.length; w++) {this._inputText[w].init();}
		for(w = 0; w < this._inputRadio.length; w++) {this._inputRadio[w].init();}
		for(w = 0; w < this._inputCheck.length; w++) {this._inputCheck[w].init();}
		for(w = 0; w < this._inputSubmit.length; w++) {this._inputSubmit[w].init();}
		for(w = 0; w < this._inputFile.length; w++) {this._inputFile[w].init();}
		for(w = 0; w < this._textarea.length; w++) {this._textarea[w].init();}
		for(w = 0; w < this._select.length; w++) {this._select[w].init(w);}
		for(w = 0; w < this._multiselect.length; w++) {this._multiselect[w].init(w);}
	}
	nf.unload = function() {
		//Stop
		for(w = 0; w < this._inputText.length; w++) {this._inputText[w].unload();}
		for(w = 0; w < this._inputRadio.length; w++) {this._inputRadio[w].unload();}
		for(w = 0; w < this._inputCheck.length; w++) {this._inputCheck[w].unload();}
		for(w = 0; w < this._inputSubmit.length; w++) {this._inputSubmit[w].unload();}
		for(w = 0; w < this._inputFile.length; w++) {this._inputFile[w].unload();}
		for(w = 0; w < this._textarea.length; w++) {this._textarea[w].unload();}
		for(w = 0; w < this._select.length; w++) {this._select[w].unload();}
		for(w = 0; w < this._multiselect.length; w++) {this._multiselect[w].unload();}
	}
}
function inputRadio(el) { //extent Radio buttons
	el.oldClassName = el.className;
	el.dummy = document.createElement('div');
	if(el.checked) {el.dummy.className = "NFRadio NFh";}
	else {el.dummy.className = "NFRadio";}
	el.dummy.ref = el;
	if(isIE == false) {el.dummy.style.left = findPosX(el) + 'px'; el.dummy.style.top = findPosY(el) + 'px';}
	else {el.dummy.style.left = findPosX(el) + 4 + 'px'; el.dummy.style.top = findPosY(el) + 4 + 'px';}
	el.dummy.onclick = function() {
		if(!this.ref.checked) {
			var siblings = getInputsByName(this.ref.name);
			for(var q = 0; q < siblings.length; q++) {
				siblings[q].checked = false;
				siblings[q].dummy.className = "NFRadio";
			}
			this.ref.checked = true;
			this.className = "NFRadio NFh";
		}
	}
	el.onclick = function() {
		if(this.checked) {
			var siblings = getInputsByName(this.name);
			for(var q = 0; q < siblings.length; q++) {
				siblings[q].dummy.className = "NFRadio";
			}
			this.dummy.className = "NFRadio NFh";
		}
	}
	el.onfocus = function() {this.dummy.className += " NFfocused";}
	el.onblur = function() {this.dummy.className = this.dummy.className.replace(/ NFfocused/g, "");}
	el.init = function() {					
		this.parentNode.insertBefore(this.dummy, this);
		el.className = "NFhidden";
	}
	el.unload = function() {
		this.parentNode.removeChild(this.dummy);
		this.className = this.oldClassName;
	}
}

function inputSubmit(el) { //extend Buttons
	el.oldClassName = el.className;
	el.left = document.createElement('img');
	el.left.className = "NFButtonLeft";
	el.left.src = imagesPath + "0.png";
	el.right = document.createElement('img');
	el.right.src = imagesPath + "0.png";
	el.right.className = "NFButtonRight";
	el.onmouseover = function() {
		this.className = "NFButton NFh";
		this.left.className = "NFButtonLeft NFh";
		this.right.className = "NFButtonRight NFh";
	}
	el.onmouseout = function() {
		this.className = "NFButton";
		this.left.className = "NFButtonLeft";
		this.right.className = "NFButtonRight";
	}
	el.init = function() {
		this.parentNode.insertBefore(this.left, this);
		this.parentNode.insertBefore(this.right, this.nextSibling);
		this.className = "NFButton";
	}
	el.unload = function() {
		this.parentNode.removeChild(this.left);
		this.parentNode.removeChild(this.right);
		this.className = this.oldClassName;
	}
}



//Get Position
function findPosY(obj) {
	var posTop = 0;
	do {posTop += obj.offsetTop;} while (obj = obj.offsetParent);
	return posTop;
}
function findPosX(obj) {
	var posLeft = 0;
	do {posLeft += obj.offsetLeft;} while (obj = obj.offsetParent);
	return posLeft;
}
//Get Siblings
function getInputsByName(name) {
	var inputs = document.getElementsByTagName("input");
	var w = 0; var results = new Array();
	for(var q = 0; q < inputs.length; q++) {if(inputs[q].name == name) {results[w] = inputs[q]; ++w;}}
	return results;
}

//Add events
var existingLoadEvent = window.onload || function () {};
var existingResizeEvent = window.onresize || function() {};
window.onload = function () {
    existingLoadEvent();
    NFInit();
}
window.onresize = function() {
	if(resizeTest != document.documentElement.clientHeight) {
		existingResizeEvent();
		NFFix();
	}
	resizeTest = document.documentElement.clientHeight;
}




//Roll overs


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}