// Script Source: CodeLifter.com
// Script Modified by Eric (NIT)
// Copyright 2003
// Do not remove this header


/**
 * Copyright (c)2005-2007 Matt Kruse (javascripttoolbox.com)
 * 
 * Dual licensed under the MIT and GPL licenses. 
 * This basically means you can use this code however you want for
 * free, but don't claim to have written it yourself!
 * Donations always accepted: http://www.JavascriptToolbox.com/donate/
 * 
 * Please do not link to the .js files on javascripttoolbox.com from
 * your site. Copy the files locally to your server instead.
 * 
 */
/* ******************************************************************* */
/*   UTIL FUNCTIONS                                                    */
/* ******************************************************************* */


var Util = {'$VERSION':1.06};

// Util functions - these are GLOBAL so they
// look like built-in functions.

// Determine if an object is an array
function isArray(o) {
	return (o!=null && typeof(o)=="object" && typeof(o.length)=="number" && (o.length==0 || defined(o[0])));
};

// Determine if an object is an Object
function isObject(o) {
	return (o!=null && typeof(o)=="object" && defined(o.constructor) && o.constructor==Object && !defined(o.nodeName));
};

// Determine if a reference is defined
function defined(o) {
	return (typeof(o)!="undefined");
};

// Iterate over an array, object, or list of items and run code against each item
// Similar functionality to Perl's map() function
function map(func) {
	var i,j,o;
	var results = [];
	if (typeof(func)=="string") {
		func = new Function('$_',func);
	}
	for (i=1; i<arguments.length; i++) {
		o = arguments[i];
		if (isArray(o)) {
			for (j=0; j<o.length; j++) {
				results[results.length] = func(o[j]);
			}
		}
		else if (isObject(o)) {
			for (j in o) {
				results[results.length] = func(o[j]);
			}
		}
		else {
			results[results.length] = func(o);
		}
	}
	return results;
};

// Set default values in an object if they are undefined
function setDefaultValues(o,values) {
	if (!defined(o) || o==null) {
		o = {};
	}
	if (!defined(values) || values==null) {
		return o;
	}
	for (var val in values) {
		if (!defined(o[val])) {
			o[val] = values[val];
		}
	}
	return o;
};

/* ******************************************************************* */
/*   DEFAULT OBJECT PROTOTYPE ENHANCEMENTS                             */
/* ******************************************************************* */
// These functions add useful functionality to built-in objects
Array.prototype.contains = function(o) {
	var i,l;
	if (!(l = this.length)) { return false; }
	for (i=0; i<l; i++) {
		if (o==this[i]) {
			return true;
		}
	}
};

/* ******************************************************************* */
/*   DOM FUNCTIONS                                                     */
/* ******************************************************************* */
var DOM = (function() { 
	var dom = {};
	
	// Get a parent tag with a given nodename
	dom.getParentByTagName = function(o,tagNames) {
		if(o==null) { return null; }
		if (isArray(tagNames)) {
			tagNames = map("return $_.toUpperCase()",tagNames);
			while (o=o.parentNode) {
				if (o.nodeName && tagNames.contains(o.nodeName)) {
					return o;
				}
			}
		}
		else {
			tagNames = tagNames.toUpperCase();
			while (o=o.parentNode) {
				if (o.nodeName && tagNames==o.nodeName) {
					return o;
				}
			}
		}
		return null;
	};
	
	// Remove a node from its parent
	dom.removeNode = function(o) {
		if (o!=null && o.parentNode && o.parentNode.removeChild) {
			// First remove all attributes which are func references, to avoid memory leaks
			for (var i in o) {
				if (typeof(o[i])=="function") {
					o[i] = null;
				}
			}
			o.parentNode.removeChild(o);
			return true;
		}
		return false;
	};

	// Get the outer width in pixels of an object, including borders, padding, and margin
	dom.getOuterWidth = function(o) {
		if (defined(o.offsetWidth)) {
			return o.offsetWidth;
		}
		return null;
	};

	// Get the outer height in pixels of an object, including borders, padding, and margin
	dom.getOuterHeight = function(o) {
		if (defined(o.offsetHeight)) {
			return o.offsetHeight;
		}
		return null;
	};

	// Resolve an item, an array of items, or an object of items
	dom.resolve = function() {
		var results = new Array();
		var i,j,o;
		for (var i=0; i<arguments.length; i++) {
			var o = arguments[i];
			if (o==null) {
				if (arguments.length==1) {
					return null;
				}
				results[results.length] = null;
			}
			else if (typeof(o)=='string') {
				if (document.getElementById) {
					o = document.getElementById(o);
				}
				else if (document.all) {
					o = document.all[o];
				}
				if (arguments.length==1) {
					return o;
				}
				results[results.length] = o;
			}
			else if (isArray(o)) {
				for (j=0; j<o.length; j++) {
					results[results.length] = o[j];
				}
			}
			else if (isObject(o)) {
				for (j in o) {
					results[results.length] = o[j];
				}
			}
			else if (arguments.length==1) {
				return o;
			}
			else {
				results[results.length] = o;
			}
	  }
	  return results;
	};
	dom.$ = dom.resolve;
	
	return dom;
})();

/* ******************************************************************* */
/*   CSS FUNCTIONS                                                     */
/* ******************************************************************* */
var CSS = (function(){
	var css = {};

	// Convert an RGB string in the form "rgb (255, 255, 255)" to "#ffffff"
	css.rgb2hex = function(rgbString) {
		if (typeof(rgbString)!="string" || !defined(rgbString.match)) { return null; }
		var result = rgbString.match(/^\s*rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*/);
		if (result==null) { return rgbString; }
		var rgb = +result[1] << 16 | +result[2] << 8 | +result[3];
		var hex = "";
		var digits = "0123456789abcdef";
		while(rgb!=0) { 
			hex = digits.charAt(rgb&0xf)+hex; 
			rgb>>>=4; 
		} 
		while(hex.length<6) { hex='0'+hex; }
		return "#" + hex;
	};

	// Convert hyphen style names like border-width to camel case like borderWidth
	css.hyphen2camel = function(property) {
		if (!defined(property) || property==null) { return null; }
		if (property.indexOf("-")<0) { return property; }
		var str = "";
		var c = null;
		var l = property.length;
		for (var i=0; i<l; i++) {
			c = property.charAt(i);
			str += (c!="-")?c:property.charAt(++i).toUpperCase();
		}
		return str;
	};
	
	// Determine if an object or class string contains a given class.
	css.hasClass = function(obj,className) {
		if (!defined(obj) || obj==null || !RegExp) { return false; }
		var re = new RegExp("(^|\\s)" + className + "(\\s|$)");
		if (typeof(obj)=="string") {
			return re.test(obj);
		}
		else if (typeof(obj)=="object" && obj.className) {
			return re.test(obj.className);
		}
		return false;
	};
	
	// Add a class to an object
	css.addClass = function(obj,className) {
		if (typeof(obj)!="object" || obj==null || !defined(obj.className)) { return false; }
		if (obj.className==null || obj.className=='') { 
			obj.className = className; 
			return true; 
		}
		if (css.hasClass(obj,className)) { return true; }
		obj.className = obj.className + " " + className;
		return true;
	};
	
	// Remove a class from an object
	css.removeClass = function(obj,className) {
		if (typeof(obj)!="object" || obj==null || !defined(obj.className) || obj.className==null) { return false; }
		if (!css.hasClass(obj,className)) { return false; }
		var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)");
		obj.className = obj.className.replace(re,' ');
		return true;
	};
	
	// Fully replace a class with a new one
	css.replaceClass = function(obj,className,newClassName) {
		if (typeof(obj)!="object" || obj==null || !defined(obj.className) || obj.className==null) { return false; }
		css.removeClass(obj,className);
		css.addClass(obj,newClassName);
		return true;
	};
	
	// Get the currently-applied style of an object
	css.getStyle = function(o, property) {
		if (o==null) { return null; }
		var val = null;
		var camelProperty = css.hyphen2camel(property);
		// Handle "float" property as a special case
		if (property=="float") {
			val = css.getStyle(o,"cssFloat");
			if (val==null) { 
				val = css.getStyle(o,"styleFloat"); 
			}
		}
		else if (o.currentStyle && defined(o.currentStyle[camelProperty])) {
			val = o.currentStyle[camelProperty];
		}
		else if (window.getComputedStyle) {
			val = window.getComputedStyle(o,null).getPropertyValue(property);
		}
		else if (o.style && defined(o.style[camelProperty])) {
			val = o.style[camelProperty];
		}
		// For color values, make the value consistent across browsers
		// Convert rgb() colors back to hex for consistency
		if (/^\s*rgb\s*\(/.test(val)) {
			val = css.rgb2hex(val);
		}
		// Lowercase all #hex values
		if (/^#/.test(val)) {
			val = val.toLowerCase();
		}
		return val;
	};
	css.get = css.getStyle;

	// Set a style on an object
	css.setStyle = function(o, property, value) {
		if (o==null || !defined(o.style) || !defined(property) || property==null || !defined(value)) { return false; }
		if (property=="float") {
			o.style["cssFloat"] = value;
			o.style["styleFloat"] = value;
		}
		else if (property=="opacity") {
			o.style['-moz-opacity'] = value;
			o.style['-khtml-opacity'] = value;
			o.style.opacity = value;
			if (defined(o.style.filter)) {
				o.style.filter = "alpha(opacity=" + value*100 + ")";
			}
		}
		else {
			o.style[css.hyphen2camel(property)] = value;
		}
		return true;
	};
	css.set = css.setStyle;
	
	// Get a unique ID which doesn't already exist on the page
	css.uniqueIdNumber=1000;
	css.createId = function(o) {
		if (defined(o) && o!=null && defined(o.id) && o.id!=null && o.id!="") { 
			return o.id;
		}
		var id = null;
		while (id==null || document.getElementById(id)!=null) {
			id = "ID_"+(css.uniqueIdNumber++);
		}
		if (defined(o) && o!=null && (!defined(o.id)||o.id=="")) {
			o.id = id;
		}
		return id;
	};
	
	return css;
})();

/* ******************************************************************* */
/*   EVENT FUNCTIONS                                                   */
/* ******************************************************************* */

var Event = (function(){
	var ev = {};
	
	// Resolve an event using IE's window.event if necessary
	// --------------------------------------------------------------------
	ev.resolve = function(e) {
		if (!defined(e) && defined(window.event)) {
			e = window.event;
		}
		return e;
	};
	
	// Add an event handler to a function
	// Note: Don't use 'this' within functions added using this method, since
	// the attachEvent and addEventListener models differ.
	// --------------------------------------------------------------------
	ev.add = function( obj, type, fn, capture ) {
		if (obj.addEventListener) {
			obj.addEventListener( type, fn, capture );
			return true;
		}
		else if (obj.attachEvent) {
			obj.attachEvent( "on"+type, fn );
			return true;
		}
		return false;
	};

	// Get the mouse position of an event
	// --------------------------------------------------------------------
	// PageX/Y, where they exist, are more reliable than ClientX/Y because 
	// of some browser bugs in Opera/Safari
	ev.getMouseX = function(e) {
		e = ev.resolve(e);
		if (defined(e.pageX)) {
			return e.pageX;
		}
		if (defined(e.clientX)) {
			return e.clientX+Screen.getScrollLeft();
		}
		return null;
	};
	ev.getMouseY = function(e) {
		e = ev.resolve(e);
		if (defined(e.pageY)) {
			return e.pageY;
		}
		if (defined(e.clientY)) {
			return e.clientY+Screen.getScrollTop();
		}
		return null;
	};

	// Stop the event from bubbling up to parent elements.
	// Two method names map to the same function
	// --------------------------------------------------------------------
	ev.cancelBubble = function(e) {
		e = ev.resolve(e);
		if (typeof(e.stopPropagation)=="function") { e.stopPropagation(); } 
		if (defined(e.cancelBubble)) { e.cancelBubble = true; }
	};
	ev.stopPropagation = ev.cancelBubble;

	// Prevent the default handling of the event to occur
	// --------------------------------------------------------------------
	ev.preventDefault = function(e) {
		e = ev.resolve(e);
		if (typeof(e.preventDefault)=="function") { e.preventDefault(); } 
		if (defined(e.returnValue)) { e.returnValue = false; }
	};
	
	return ev;
})();

/* ******************************************************************* */
/*   SCREEN FUNCTIONS                                                  */
/* ******************************************************************* */
var Screen = (function() {
	var screen = {};

	// Get a reference to the body
	// --------------------------------------------------------------------
	screen.getBody = function() {
		if (document.body) {
			return document.body;
		}
		if (document.getElementsByTagName) {
			var bodies = document.getElementsByTagName("BODY");
			if (bodies!=null && bodies.length>0) {
				return bodies[0];
			}
		}
		return null;
	};

	// Get the amount that the main document has scrolled from top
	// --------------------------------------------------------------------
	screen.getScrollTop = function() {
		if (document.documentElement && defined(document.documentElement.scrollTop) && document.documentElement.scrollTop>0) {
			return document.documentElement.scrollTop;
		}
		if (document.body && defined(document.body.scrollTop)) {
			return document.body.scrollTop;
		}
		return null;
	};
	
	// Get the amount that the main document has scrolled from left
	// --------------------------------------------------------------------
	screen.getScrollLeft = function() {
		if (document.documentElement && defined(document.documentElement.scrollLeft) && document.documentElement.scrollLeft>0) {
			return document.documentElement.scrollLeft;
		}
		if (document.body && defined(document.body.scrollLeft)) {
			return document.body.scrollLeft;
		}
		return null;
	};
	
	// Util function to default a bad number to 0
	// --------------------------------------------------------------------
	screen.zero = function(n) {
		return (!defined(n) || isNaN(n))?0:n;
	};

	// Get the width of the entire document
	// --------------------------------------------------------------------
	screen.getDocumentWidth = function() {
		var width = 0;
		var body = screen.getBody();
		if (document.documentElement && (!document.compatMode || document.compatMode=="CSS1Compat")) {
		    var rightMargin = parseInt(CSS.get(body,'marginRight'),10) || 0;
		    var leftMargin = parseInt(CSS.get(body,'marginLeft'), 10) || 0;
			width = Math.max(body.offsetWidth + leftMargin + rightMargin, document.documentElement.clientWidth);
		}
		else {
			width =  Math.max(body.clientWidth, body.scrollWidth);
		}
		if (isNaN(width) || width==0) {
			width = screen.zero(self.innerWidth);
		}
		return width;
	};
	
	// Get the height of the entire document
	// --------------------------------------------------------------------
	screen.getDocumentHeight = function() {
		var body = screen.getBody();
		var innerHeight = (defined(self.innerHeight)&&!isNaN(self.innerHeight))?self.innerHeight:0;
		if (document.documentElement && (!document.compatMode || document.compatMode=="CSS1Compat")) {
		    var topMargin = parseInt(CSS.get(body,'marginTop'),10) || 0;
		    var bottomMargin = parseInt(CSS.get(body,'marginBottom'), 10) || 0;
			return Math.max(body.offsetHeight + topMargin + bottomMargin, document.documentElement.clientHeight, document.documentElement.scrollHeight, screen.zero(self.innerHeight));
		}
		return Math.max(body.scrollHeight, body.clientHeight, screen.zero(self.innerHeight));
	};
	
	// Get the width of the viewport (viewable area) in the browser window
	// --------------------------------------------------------------------
	screen.getViewportWidth = function() {
		if (document.documentElement && (!document.compatMode || document.compatMode=="CSS1Compat")) {
			return document.documentElement.clientWidth;
		}
		else if (document.compatMode && document.body) {
			return document.body.clientWidth;
		}
		return screen.zero(self.innerWidth);
	};
	
	// Get the height of the viewport (viewable area) in the browser window
	// --------------------------------------------------------------------
	screen.getViewportHeight = function() {
		if (!window.opera && document.documentElement && (!document.compatMode || document.compatMode=="CSS1Compat")) {
			return document.documentElement.clientHeight;
		}
		else if (document.compatMode && !window.opera && document.body) {
			return document.body.clientHeight;
		}
		return screen.zero(self.innerHeight);
	};

	return screen;
})();var Sort = (function(){
	var sort = {};
	sort.AlphaNumeric = function(a,b) {
		if (a==b) { return 0; }
		if (a<b) { return -1; }
		return 1;
	};

	sort.Default = sort.AlphaNumeric;
	
	sort.NumericConversion = function(val) {
		if (typeof(val)!="number") {
			if (typeof(val)=="string") {
				val = parseFloat(val.replace(/,/g,''));
				if (isNaN(val) || val==null) { val=0; }
			}
			else {
				val = 0;
			}
		}
		return val;
	};
	
	sort.Numeric = function(a,b) {
		return sort.NumericConversion(a)-sort.NumericConversion(b);
	};

	sort.IgnoreCaseConversion = function(val) {
		if (val==null) { val=""; }
		return (""+val).toLowerCase();
	};

	sort.IgnoreCase = function(a,b) {
		return sort.AlphaNumeric(sort.IgnoreCaseConversion(a),sort.IgnoreCaseConversion(b));
	};

	sort.CurrencyConversion = function(val) {
		if (typeof(val)=="string") {
			val = val.replace(/^[^\d\.]/,'');
		}
		return sort.NumericConversion(val);
	};
	
	sort.Currency = function(a,b) {
		return sort.Numeric(sort.CurrencyConversion(a),sort.CurrencyConversion(b));
	};
	
	sort.DateConversion = function(val) {
		// inner util function to parse date formats
		function getdate(str) {
			// inner util function to convert 2-digit years to 4
			function fixYear(yr) {
				yr = +yr;
				if (yr<50) { yr += 2000; }
				else if (yr<100) { yr += 1900; }
				return yr;
			};
			var ret;
			// YYYY-MM-DD
			if (ret=str.match(/(\d{2,4})-(\d{1,2})-(\d{1,2})/)) {
				return (fixYear(ret[1])*10000) + (ret[2]*100) + (+ret[3]);
			}
			// MM/DD/YY[YY] or MM-DD-YY[YY]
			if (ret=str.match(/(\d{1,2})[\/-](\d{1,2})[\/-](\d{2,4})/)) {
				return (fixYear(ret[3])*10000) + (ret[1]*100) + (+ret[2]);
			}
			return 99999999; // So non-parsed dates will be last, not first
		};
		return getdate(val);
	};

	sort.Date = function(a,b) {
		return sort.Numeric(sort.DateConversion(a),sort.DateConversion(b));
	};

	return sort;
})();

var Position = (function() {
	// Resolve a string identifier to an object
	// ========================================
	function resolveObject(s) {
		if (document.getElementById && document.getElementById(s)!=null) {
			return document.getElementById(s);
		}
		else if (document.all && document.all[s]!=null) {
			return document.all[s];
		}
		else if (document.anchors && document.anchors.length && document.anchors.length>0 && document.anchors[0].x) {
			for (var i=0; i<document.anchors.length; i++) {
				if (document.anchors[i].name==s) { 
					return document.anchors[i]
				}
			}
		}
	}
	
	var pos = {};
	pos.$VERSION = 1.0;
	
	// Set the position of an object
	// =============================
	pos.set = function(o,left,top) {
		if (typeof(o)=="string") {
			o = resolveObject(o);
		}
		if (o==null || !o.style) {
			return false;
		}
		
		// If the second parameter is an object, it is assumed to be the result of getPosition()
		if (typeof(left)=="object") {
			var pos = left;
			left = pos.left;
			top = pos.top;
		}
		
		o.style.left = left + "px";
		o.style.top = top + "px";
		return true;
	};
	
	// Retrieve the position and size of an object
	// ===========================================
	pos.get = function(o) {
		var fixBrowserQuirks = true;
			// If a string is passed in instead of an object ref, resolve it
		if (typeof(o)=="string") {
			o = resolveObject(o);
		}
		
		if (o==null) {
			return null;
		}
		
		var left = 0;
		var top = 0;
		var width = 0;
		var height = 0;
		var parentNode = null;
		var offsetParent = null;
	
		
		offsetParent = o.offsetParent;
		var originalObject = o;
		var el = o; // "el" will be nodes as we walk up, "o" will be saved for offsetParent references
		while (el.parentNode!=null) {
			el = el.parentNode;
			if (el.offsetParent==null) {
			}
			else {
				var considerScroll = true;
				/*
				In Opera, if parentNode of the first object is scrollable, then offsetLeft/offsetTop already 
				take its scroll position into account. If elements further up the chain are scrollable, their 
				scroll offsets still need to be added in. And for some reason, TR nodes have a scrolltop value
				which must be ignored.
				*/
				if (fixBrowserQuirks && window.opera) {
					if (el==originalObject.parentNode || el.nodeName=="TR") {
						considerScroll = false;
					}
				}
				if (considerScroll) {
					if (el.scrollTop && el.scrollTop>0) {
						top -= el.scrollTop;
					}
					if (el.scrollLeft && el.scrollLeft>0) {
						left -= el.scrollLeft;
					}
				}
			}
			// If this node is also the offsetParent, add on the offsets and reset to the new offsetParent
			if (el == offsetParent) {
				left += o.offsetLeft;
				if (el.clientLeft && el.nodeName!="TABLE") { 
					left += el.clientLeft;
				}
				top += o.offsetTop;
				if (el.clientTop && el.nodeName!="TABLE") {
					top += el.clientTop;
				}
				o = el;
				if (o.offsetParent==null) {
					if (o.offsetLeft) {
						left += o.offsetLeft;
					}
					if (o.offsetTop) {
						top += o.offsetTop;
					}
				}
				offsetParent = o.offsetParent;
			}
		}
		
	
		if (originalObject.offsetWidth) {
			width = originalObject.offsetWidth;
		}
		if (originalObject.offsetHeight) {
			height = originalObject.offsetHeight;
		}
		
		return {'left':left, 'top':top, 'width':width, 'height':height
				};
	};
	
	// Retrieve the position of an object's center point
	// =================================================
	pos.getCenter = function(o) {
		var c = this.get(o);
		if (c==null) { return null; }
		c.left = c.left + (c.width/2);
		c.top = c.top + (c.height/2);
		return c;
	};

	pos.getCenterObj = function(o) {
		var c = this.get(o);
		var nHeight=0, nWidth=0;

		nWidth = c.width;
		nHeight = c.height;

		if (nWidth==0 && o.style.width!='' ) nWidth = parseInt(o.style.width);
		if (nHeight==0 && o.style.height!='' ) nHeight = parseInt(o.style.height);

		if (nWidth==0) nWidth = o.scrollWidth;
		if (nHeight==0 ) nHeight = o.scrollHeight;

		c.top = Screen.getScrollTop() + (Screen.getViewportHeight() - nHeight) / 2;
		c.left = Screen.getScrollLeft() + (Screen.getViewportWidth() - nWidth) / 2;
		return c;
	}
	
	return pos;
})();


// CLASS CONSTRUCTOR  :_pl_item

function _pl_item(_pop_obj, _pop_title) {
	this.obj_layer     = _pop_obj;			//popup object layer
	this.obj_title     = _pop_title;		//title object layer
	this.obj_iframe    = _pl_item.prototype.createIframe();				//popup back iframe
	this.obj_screen    = null;				//popup modal object
	this.obj_screen_if = null;				//popup modal object
	this.left = 0;						//default show left
	this.top  = 0;						//default show top
	this.modalMode = false;
	this.screen = null;
	this.baseZindex = this.obj_layer.style.zIndex;
	
	_pl_item.resizeObj(this.obj_layer, this.obj_iframe);

	return this;
}

_pl_item.prototype.screenOpacity=.4;
_pl_item.prototype.screenColor="#cccccc";

_pl_item.prototype.moveTo = function(left, top) {
	this.obj_layer.style.left	= left;
	this.obj_layer.style.top	= top;
	this.obj_iframe.style.left	= left;
	this.obj_iframe.style.top	= top;
}


_pl_item.resizeObj = function(_source, _target) {
	_target.style.left   = _source.style.left;
	_target.style.top    = _source.style.top;
	_target.style.width  = _source.style.width;
	if (_source.style.height=='')
		_target.style.height = _source.clientHeight;
	else
		_target.style.height = _source.style.height;
}


_pl_item.prototype.hide = function(){
	with (this) {
		if (popupLayer.prototype.isIE||popupLayer.prototype.isNN) obj_layer.style.display="none";
		else if (popupLayer.prototype.isN4) obj_layer.display="none";
			
		if (popupLayer.prototype.isIE||popupLayer.prototype.isNN) obj_iframe.style.display="none";
		else if (popupLayer.prototype.isN4) obj_iframe.display="none";

		if (obj_screen!=null) {
			obj_screen.style.display = "none";
		}

		if (obj_screen_if!=null) {
			obj_screen_if.style.display = "none";
		}
	}
}

_pl_item.prototype.show = function(modal, center){
	with (this) {
		var lastZindex=this.baseZindex;
		if (modal) lastZindex=this.addScreen();

		/*
		if (center) {
			var pos = Position.getCenterObj(this.obj_layer);
			this.obj_layer.style.left = pos.left +'px';
			this.obj_layer.style.top = pos.top +'px';
		}
		*/

		this.obj_iframe.style.zIndex=lastZindex++;
		this.obj_layer.style.zIndex=lastZindex++;

		if (popupLayer.prototype.isIE||popupLayer.prototype.isNN) obj_layer.style.display="block";
		else if (popupLayer.prototype.isN4) obj_layer.display="block";
			
		if (obj_iframe!='undefined') {
			if (popupLayer.prototype.isIE||popupLayer.prototype.isNN) obj_iframe.style.display="block";
			else if (popupLayer.prototype.isN4) obj_iframe.display="block";
		}

		if (center) {
			var pos = Position.getCenterObj(this.obj_layer);
			this.obj_layer.style.left = pos.left +'px';
			this.obj_layer.style.top = pos.top +'px';
		}

		_pl_item.resizeObj(this.obj_layer, this.obj_iframe);
	}
}

// Append an object to the body
// --------------------------------------------------------------------
_pl_item.prototype.appendToBody = function(o) {
	var body = Screen.getBody();
	if (body && body.appendChild) {
		body.appendChild(o);
	}
};


// Create a new DIV object to be used for a popup
// --------------------------------------------------------------------
_pl_item.prototype.createDiv = function() {
	if (document.createElement) {
		var d = document.createElement("DIV");
		d.style.position="absolute";
		d.style.display="none";
		//d.style.visibility="hidden";
		this.appendToBody(d);
		return d;
	}
	alert("ERROR: Couldn't create DIV element in Popup.prototype.createDiv()");
	return null;
};

// Create a new IFRAME object to be used behind the popup
// --------------------------------------------------------------------
_pl_item.prototype.createIframe = function() {
	if (document.createElement) {
		var i= document.createElement("IFRAME");
		i.style.position="absolute";
		i.style.display="none";
		//i.style.visibility="hidden";
		i.style.background="none";
		this.appendToBody(i);
		return i;
	}
	else {
		alert("ERROR: Couldn't create IFRAME object in Popup.prototype.createIframe()");
	}
};

// Add an IFRAME shim for the DIV
// --------------------------------------------------------------------
_pl_item.prototype.addIframeShim = function() {
	if (this.iframe==null) {
		this.iframe = this.createIframe();
	}
	this.iframe.className = Popup.iframeClass;
	CSS.setStyle(this.iframe,'top',this.getTop()+"px");
	CSS.setStyle(this.iframe,'left',this.getLeft()+"px");
	CSS.setStyle(this.iframe,'width',DOM.getOuterWidth(this.div) + "px");
	CSS.setStyle(this.iframe,'height',DOM.getOuterHeight(this.div) + "px");
	CSS.setStyle(this.iframe,'zIndex',Popup.minZIndex++);
	CSS.setStyle(this.iframe,'opacity',0);
	CSS.setStyle(this.iframe,'visibility','visible');
	CSS.setStyle(this.iframe,'display','block');
};


// Create a "screen" to make a popup modal
// --------------------------------------------------------------------
_pl_item.prototype.addScreen = function() {
	var lastZindex = this.baseZindex;
	
	if (this.obj_screen==null) {
		this.obj_screen=this.createDiv();
		this.obj_screen.style.top="0px";
		this.obj_screen.style.left="0px";
		this.obj_screen.style.backgroundColor = this.screenColor;
		//this.obj_screen.className=Popup.screenClass;;
		CSS.setStyle(this.obj_screen,"opacity",this.screenOpacity);
		this.obj_screen.onclick = function(e) { Event.cancelBubble(Event.resolve(e)); }
	}
	if (this.obj_screen_if==null) {
		this.obj_screen_if = this.createIframe();
		this.obj_screen_if.style.top="0px";
		this.obj_screen_if.style.left="0px";
		//this.obj_screen_if.className=Popup.screenIframeClass;
		CSS.setStyle(this.obj_screen_if,"opacity",0);
	}
	this.obj_screen.style.width = Screen.getDocumentWidth()+"px";
	this.obj_screen.style.height = Screen.getDocumentHeight()+"px";
	this.obj_screen_if.style.width = Screen.getDocumentWidth()+"px";
	this.obj_screen_if.style.height = Screen.getDocumentHeight()+"px";
	this.obj_screen_if.style.zIndex = lastZindex++;
	this.obj_screen_if.style.visibility="visible";
	this.obj_screen_if.style.display="block";
	this.obj_screen.style.zIndex = lastZindex++;
	this.obj_screen.style.visibility="visible";
	this.obj_screen.style.display="block";
	
	return lastZindex;
};



// CLASS CONSTRUCTOR  :popupLayer


var popupLayer = function() {
	return this;
};

popupLayer.prototype.lstPopup 		= null;
popupLayer.prototype.activated_laye	= -1;
popupLayer.prototype.offsetX		= 0;
popupLayer.prototype.offsetY		= 0; 
popupLayer.prototype.nowX 			= 0;      
popupLayer.prototype.nowY 			= 0;      
popupLayer.prototype.isIE 			= 0; 
popupLayer.prototype.isNN 			= 0; 
popupLayer.prototype.isN4 			= 0;
popupLayer.prototype.bInitialized	= 0;

popupLayer.prototype.GetItem = function(sLayerID) {
	with(popupLayer.prototype) {
		if (lstPopup!=null) {
			var i;
			for (i=0; i<lstPopup.length; i++) {
				if(sLayerID == lstPopup[i].obj_layer.id) return(lstPopup[i]);
			}
		}
	}
}

// popupLayer_init
popupLayer.prototype.init = function()
{
	with (popupLayer.prototype) {
		lstPopup		= new Array();
		activated_layer	= -1;
		
		isIE = document.all;
		isNN = !document.all&&document.getElementById;
		isN4 = document.layers;

		document.onmousedown = mousedown;
		document.onmouseup   = mouseup;
		
		bInitialized = true;
	}
}

popupLayer.AddPopup = function(sLayerID, sTitleID)
{
	if (!popupLayer.prototype.bInitialized) this.prototype.init();
	
	var _pop        = document.getElementById(sLayerID);
	var _pop_title  = document.getElementById(sTitleID);

	if (_pop!='undefined' && _pop_title!='undefined') {
		_pls = new _pl_item(_pop, _pop_title);

		popupLayer.prototype.lstPopup[popupLayer.prototype.lstPopup.length] = _pls;
	}
}


popupLayer.prototype.mouseup = function(e){
	popupLayer.prototype.activated_layer = -1;
}

popupLayer.prototype.mousedown = function(e){
	with (popupLayer.prototype) {
		if (lstPopup.length==0) return;
		
		var topDog    = isIE ? "BODY" : "HTML";
		var hotDog    = isIE ? event.srcElement : e.target;  
		
		var i = lstPopup.length;
		
		while (hotDog.tagName!=topDog && i==lstPopup.length){
			for (i=0; i<lstPopup.length; i++) {
				if(hotDog==lstPopup[i].obj_title) break;
			}
			hotDog = isIE ? hotDog.parentElement : hotDog.parentNode;
		}  
		if (i < lstPopup.length){
			activated_layer = i;
			var whichDog  = lstPopup[activated_layer].obj_layer;
			
			offsetX   = isIE ? event.clientX : e.clientX;
			offsetY   = isIE ? event.clientY : e.clientY;
			nowX      = parseInt(whichDog.style.left);
			nowY      = parseInt(whichDog.style.top);
			
			document.onmousemove = mousemove;
		}
	}
}



popupLayer.prototype.mousemove = function(e){
	with (popupLayer.prototype) {
		if (activated_layer == -1) return;
	
		var nleft = isIE ? nowX+event.clientX-offsetX : nowX+e.clientX-offsetX; 
		var nTop  = isIE ? nowY+event.clientY-offsetY : nowY+e.clientY-offsetY;
	
		lstPopup[activated_layer].moveTo(nleft, nTop);
		
		return false;  
	}
}

popupLayer.hide = function(sLayerID){
	var _popItem = popupLayer.prototype.GetItem(sLayerID);
	
	if (_popItem!=null) _popItem.hide();
}

popupLayer.show = function(sLayerID, modal, center){
	var _popItem = popupLayer.prototype.GetItem(sLayerID);
	if (_popItem!=null) _popItem.show(modal, center);
}