var _selectHeight = 44;

var _forms = document.getElementsByTagName('form');
var inputs = new Array();
var selects = new Array();
var labels = new Array();
var buttons = new Array();
var selects = new Array();
var all_selects = false;
var active_select = null;
var agt = navigator.userAgent.toLowerCase();
var selectText = "please select";
var IN_CFORMS = true;

function initCustomForms() {
	if(!document.getElementById) {return false;}
	getElements();
	separateElements();
	replaceSelects();

	var _selects = document.getElementsByTagName('select');
	var _SelctClassName = [];
	if (_selects) {
		for (var i = 0; i < _selects.length; i++) {
            
			if (_selects[i].className != '' && _selects[i].className != 'outtaHere')
				_SelctClassName[i] = ' drop-'+_selects[i].className;
		}
		for (var i = 0; i < _SelctClassName.length; i++) {
			var _selectDrop = document.getElementById('optionsDiv'+i);
			if (_selectDrop) {
				if (_SelctClassName[i]) 
					_selectDrop.className += _SelctClassName[i];
			}
		}
	}
}


// getting all the required elements
function getElements() {
	for (var nf = 0; nf < document.getElementsByTagName("form").length; nf++) {
		for(var nfi = 0; nfi < document.forms[nf].getElementsByTagName("input").length; nfi++) {inputs.push(document.forms[nf].getElementsByTagName("input")[nfi]);}
		for(var nfl = 0; nfl < document.forms[nf].getElementsByTagName("label").length; nfl++) {labels.push(document.forms[nf].getElementsByTagName("label")[nfl]);}
		for(var nfs = 0; nfs < document.forms[nf].getElementsByTagName("select").length; nfs++) {selects.push(document.forms[nf].getElementsByTagName("select")[nfs]);}
	}
}

// separating all the elements in their respective arrays
function separateElements() {
	var r = 0; var c = 0; var t = 0; var rl = 0; var cl = 0; var tl = 0; var b = 0;
	for (var q = 0; q < inputs.length; q++) {
		if((inputs[q].type == "submit") || (inputs[q].type == "button")) {
			buttons[b] = inputs[q]; ++b;
		}
	}
}


//check event
function checkEvent(e) {
	if (!e) var e = window.event;
	if(e.keyCode == 32) {for (var q = 0; q < checkboxes.length; q++) {if(this == checkboxes[q]) {changeCheckboxes(q);}}} //check if space is pressed
}


function replaceSelects() {
    
	for(var q = 0; q < selects.length; q++) {
	
    if (!selects[q].replaced && selects[q].offsetWidth)
	{
		selects[q]._number = q;
		//create and build div structure
		var selectArea = document.createElement("div");
		var left = document.createElement("span");
		left.className = "left";
		selectArea.appendChild(left);
		
		var disabled = document.createElement("span");
		disabled.className = "disabled";
		selectArea.appendChild(disabled);
		
		selects[q]._disabled = disabled;
		var center = document.createElement("span");
		var button = document.createElement("a");
		var text = document.createTextNode(selectText);
		center.id = "mySelectText"+q;
		
		var stWidth = selects[q].offsetWidth;
		selectArea.style.width = stWidth + "px";
		if (selects[q].parentNode.className.indexOf("type2") != -1){
			button.href = "javascript:showOptions("+q+",true)";
		} else {
			button.href = "javascript:showOptions("+q+",false)";
		}
		button.className = "select-button";
		selectArea.className = "select-area";

		selectArea.className += " " + selects[q].className;
		selectArea.id = "sarea"+q;
		center.className = "center";
		center.appendChild(text);
		selectArea.appendChild(center);
		selectArea.appendChild(button);
		
		//hide the select field
		selects[q].className += " outtaHere";
		//insert select div
		selects[q].parentNode.insertBefore(selectArea, selects[q]);
		//build & place options div

		var optionsDiv = document.createElement("div");
		
		var optionsList = document.createElement("ul");
		optionsDiv.innerHTML += "<div class='select-top'><div></div></div>";
		optionsDiv.appendChild(optionsList);
		
		selects[q]._options = optionsList;
		
		optionsDiv.style.width = stWidth + "px";
		optionsDiv._parent = selectArea;
		
		optionsDiv.className = "optionsDivInvisible";
		optionsDiv.id = "optionsDiv"+q;
		
	
		populateSelectOptions(selects[q]);
		optionsDiv.innerHTML += "<div class='select-bottom'><div class='select-bottom-left'></div><div class='select-bottom-right'></div></div>";
		document.getElementsByTagName("body")[0].appendChild(optionsDiv);
		selects[q].replaced = true;
		}
	all_selects = true;
	}
}

//collecting select options
function populateSelectOptions(me) {
	me._options.innerHTML = "";
	
	for(var w = 0; w < me.options.length; w++) {
		
		var optionHolder = document.createElement('li');
		var optionLink = document.createElement('a');
		var optionTxt;
		if (me.options[w].title.indexOf('image') != -1) {
			optionTxt = document.createElement('img');
			optionSpan = document.createElement('span');
			optionTxt.src = me.options[w].title;
			optionSpan = document.createTextNode(me.options[w].text);
		} else {
			optionTxt = document.createTextNode(me.options[w].text);
		}
		
		optionLink.href = "javascript:showOptions("+me._number+"); selectMe('"+me.id+"',"+w+","+me._number+");";
		if (me.options[w].title.indexOf('image') != -1) {
			optionLink.appendChild(optionTxt);
			optionLink.appendChild(optionSpan);
		} else {
			optionLink.appendChild(optionTxt);
		}
		optionHolder.appendChild(optionLink);
		me._options.appendChild(optionHolder);
		//check for pre-selected items
		if(me.options[w].selected) {
			selectMe(me.id,w,me._number);
		}
	}
	if (me.disabled) {
		me._disabled.style.display = "block";
	}
	else {
		me._disabled.style.display = "none";
	}
}

//selecting me
function selectMe(selectFieldId,linkNo,selectNo) {
	selectField = selects[selectNo];
	for(var k = 0; k < selectField.options.length; k++) {
		if(k==linkNo) {
			selectField.options[k].selected = true;
		}
		else {
			selectField.options[k].selected = false;
		}
	}
	
	//show selected option
	textVar = document.getElementById("mySelectText"+selectNo);
	var newText;
	var optionSpan;
	if (selectField.options[linkNo].title.indexOf('image') != -1) {
		newText = document.createElement('img');
		newText.src = selectField.options[linkNo].title;
		optionSpan = document.createElement('span');
		optionSpan = document.createTextNode(selectField.options[linkNo].text);
	} else {
		newText = document.createTextNode(selectField.options[linkNo].text);
	}
	if (selectField.options[linkNo].title.indexOf('image') != -1) {
		if (textVar.childNodes.length > 1) textVar.removeChild(textVar.childNodes[0]);
		textVar.replaceChild(newText, textVar.childNodes[0]);	
		textVar.appendChild(optionSpan);	
	} else {
		if (textVar.childNodes.length > 1) textVar.removeChild(textVar.childNodes[0]);
		textVar.replaceChild(newText, textVar.childNodes[0]);	
	}
	if (selectField.onchange && all_selects)
		{
			eval(selectField.onchange());
		}
}
//showing options
function showOptions(g) {
	_elem = document.getElementById("optionsDiv"+g);
	var divArea = document.getElementById("sarea"+g);
	if (active_select && active_select != _elem) {
		active_select.className = active_select.className.replace('optionsDivVisible',' optionsDivInvisible');
		active_select.style.height = "auto";
	}
	if(_elem.className.indexOf("optionsDivInvisible") != -1) {
        _elem.style.left = "-9999px";
        if ( _elem.id == "optionsDiv4" || _elem.id == "optionsDiv2" ) {
            _elem.style.height = "200px";
            _elem.style.overflow = "scroll";
            _elem.style.overflowX = "hidden";
            
        }
		
		_elem.style.top = findPosY(divArea) + _selectHeight + 'px';
		_elem.className = _elem.className.replace('optionsDivInvisible','');
		_elem.className += " optionsDivVisible";
		_elem.style.left = findPosX(divArea) + 'px';
		
		active_select = _elem;
		if(document.documentElement)
		{
			document.documentElement.onclick = hideSelectOptions;
		}
		else
		{
			window.onclick = hideSelectOptions;
		}
	}
	else if(_elem.className.indexOf("optionsDivVisible") != -1) {
		_elem.style.height = "auto";
		_elem.className = _elem.className.replace('optionsDivVisible','');
		_elem.className += " optionsDivInvisible";
	}
}

function hideSelectOptions(e)
{
	if(active_select)
	{
		if(!e) e = window.event;
		var _target = (e.target || e.srcElement);
		if(isElementBefore(_target,'select-area') == 0 && isElementBefore(_target,'optionsDiv') == 0)
		{
			active_select.className = active_select.className.replace('optionsDivVisible', '');
			active_select.className = active_select.className.replace('optionsDivInvisible', '');
			active_select.className += " optionsDivInvisible";
			active_select = false;

			if(document.documentElement)
			{
				document.documentElement.onclick = function(){};
			}
			else
			{
				window.onclick = null;
			}
		}
	}
}

function isElementBefore(_el,_class)
{
	var _parent = _el;	
	do
	{
		_parent = _parent.parentNode;
	}
	while(_parent && _parent.className != null && _parent.className.indexOf(_class) == -1)
	
	if(_parent.className && _parent.className.indexOf(_class) != -1)
	{
		return 1;
	}
	else
	{
		return 0;
	}
	
}

function findPosY(obj) {
	var posTop = 0;
	while (obj.offsetParent) {posTop += obj.offsetTop; obj = obj.offsetParent;}
	return posTop;
}
function findPosX(obj) {
	var posLeft = 0;
	while (obj.offsetParent) {posLeft += obj.offsetLeft; obj = obj.offsetParent;}
	return posLeft;
}

/*if (window.addEventListener) window.addEventListener("load", initCustomForms, false);
else if (window.attachEvent) window.attachEvent("onload", initCustomForms);*/