var Util = {'$VERSION':1.06};
function isArray(o) {
	return (o!=null && typeof(o)=="object" && typeof(o.length)=="number" && (o.length==0 || defined(o[0])));
};
function isObject(o) {
	return (o!=null && typeof(o)=="object" && defined(o.constructor) && o.constructor==Object && !defined(o.nodeName));
};
function defined(o) {
	return (typeof(o)!="undefined");
};
function map(func) {
	var i,j,o;
	var results = [];
	if (typeof(func)=="string") {
		func = new Function('$_',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;
};
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;
};
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;
		}
	}
};
var DOM = (function() { 
	var dom = {};
	dom.getParentByTagName = function(o,tagNames) {
		if(o==null) { return null; }
		if (isArray(tagNames)) {
			tagNames = map("return $_.toUpperCase()",tagNames);
			while (o=o.parentNode) {
				if (o.nodeName && tagNames.contains(o.nodeName)) {
					return o;
				}
			}
		}
		else {
			tagNames = tagNames.toUpperCase();
			while (o=o.parentNode) {
				if (o.nodeName && tagNames==o.nodeName) {
					return o;
				}
			}
		}
		return null;
	};
	dom.removeNode = function(o) {
		if (o!=null && o.parentNode && o.parentNode.removeChild) {
			for (var i in o) {
				if (typeof(o[i])=="function") {
					o[i] = null;
				}
			}
			o.parentNode.removeChild(o);
			return true;
		}
		return false;
	};
	dom.getOuterWidth = function(o) {
		if (defined(o.offsetWidth)) {
			return o.offsetWidth;
		}
		return null;
	};
	dom.getOuterHeight = function(o) {
		if (defined(o.offsetHeight)) {
			return o.offsetHeight;
		}
		return null;
	};
	dom.resolve = function() {
		var results = new Array();
		var i,j,o;
		for (var i=0; i<arguments.length; i++) {
			var o = arguments[i];
			if (o==null) {
				if (arguments.length==1) {
					return null;
				}
				results[results.length] = null;
			}
			else if (typeof(o)=='string') {
				if (document.getElementById) {
					o = document.getElementById(o);
				}
				else if (document.all) {
					o = document.all[o];
				}
				if (arguments.length==1) {
					return o;
				}
				results[results.length] = o;
			}
			else if (isArray(o)) {
				for (j=0; j<o.length; j++) {
					results[results.length] = o[j];
				}
			}
			else if (isObject(o)) {
				for (j in o) {
					results[results.length] = o[j];
				}
			}
			else if (arguments.length==1) {
				return o;
			}
			else {
				results[results.length] = o;
			}
	  }
	  return results;
	};
	dom.$ = dom.resolve;
	
	return dom;
})();
var CSS = (function(){
	var css = {};
	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;
	};
	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;
	};
	css.hasClass = function(obj,className) {
		if (!defined(obj) || obj==null || !RegExp) { return false; }
		var re = new RegExp("(^|\\s)" + className + "(\\s|$)");
		if (typeof(obj)=="string") {
			return re.test(obj);
		}
		else if (typeof(obj)=="object" && obj.className) {
			return re.test(obj.className);
		}
		return false;
	};
	css.addClass = function(obj,className) {
		if (typeof(obj)!="object" || obj==null || !defined(obj.className)) { return false; }
		if (obj.className==null || obj.className=='') { 
			obj.className = className; 
			return true; 
		}
		if (css.hasClass(obj,className)) { return true; }
		obj.className = obj.className + " " + className;
		return true;
	};
	css.removeClass = function(obj,className) {
		if (typeof(obj)!="object" || obj==null || !defined(obj.className) || obj.className==null) { return false; }
		if (!css.hasClass(obj,className)) { return false; }
		var re = new RegExp("(^|\\s+)" + className + "(\\s+|$)");
		obj.className = obj.className.replace(re,' ');
		return true;
	};
	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;
	};
	css.getStyle = function(o, property) {
		if (o==null) { return null; }
		var val = null;
		var camelProperty = css.hyphen2camel(property);
		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];
		}
		if (/^\s*rgb\s*\(/.test(val)) {
			val = css.rgb2hex(val);
		}
		if (/^#/.test(val)) {
			val = val.toLowerCase();
		}
		return val;
	};
	css.get = css.getStyle;
	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;
	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;
})();
var Event = (function(){
	var ev = {};
	ev.resolve = function(e) {
		if (!defined(e) && defined(window.event)) {
			e = window.event;
		}
		return e;
	};
	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;
	};
	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;
	};
	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;
	ev.preventDefault = function(e) {
		e = ev.resolve(e);
		if (typeof(e.preventDefault)=="function") { e.preventDefault(); } 
		if (defined(e.returnValue)) { e.returnValue = false; }
	};
	
	return ev;
})();
var Screen = (function() {
	var screen = {};
	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;
	};
	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;
	};
	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;
	};
	screen.zero = function(n) {
		return (!defined(n) || isNaN(n))?0:n;
	};
	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;
	};
	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));
	};
	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);
	};
	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) {
		function getdate(str) {
			function fixYear(yr) {
				yr = +yr;
				if (yr<50) { yr += 2000; }
				else if (yr<100) { yr += 1900; }
				return yr;
			};
			var ret;
			if (ret=str.match(/(\d{2,4})-(\d{1,2})-(\d{1,2})/)) {
				return (fixYear(ret[1])*10000) + (ret[2]*100) + (+ret[3]);
			}
			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; 
		};
		return getdate(val);
	};
	sort.Date = function(a,b) {
		return sort.Numeric(sort.DateConversion(a),sort.DateConversion(b));
	};
	return sort;
})();

var Position = (function() {
	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;
	pos.set = function(o,left,top) {
		if (typeof(o)=="string") {
			o = resolveObject(o);
		}
		if (o==null || !o.style) {
			return false;
		}
		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;
	};
	pos.get = function(o) {
		var fixBrowserQuirks = true;
		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; 
		while (el.parentNode!=null) {
			el = el.parentNode;
			if (el.offsetParent==null) {
			}
			else {
				var considerScroll = true;
				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 (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
				};
	};
	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;
	};
	
	return pos;
})();
var Popup = function(div, options) {
	this.div = defined(div)?div:null;
	this.index = Popup.maxIndex++;
	this.ref = "Popup.objects["+this.index+"]";
	Popup.objects[this.index] = this;
	if (typeof(this.div)=="string") {
		Popup.objectsById[this.div] = this;
	}
	if (defined(this.div) && this.div!=null && defined(this.div.id)) {
		Popup.objectsById[this.div.id] = this.div.id;
	}
	if (defined(options) && options!=null && typeof(options)=="object") {
		for (var i in options) {
			this[i] = options[i];
		}
	}
	return this;
};
Popup.maxIndex = 0;
Popup.objects = {};
Popup.objectsById = {};
Popup.minZIndex = 1101;
Popup.screenClass = "PopupScreen";
Popup.iframeClass = "PopupIframe";
Popup.screenIframeClass = "PopupScreenIframe";
Popup.hideAll = function() {
	for (var i in Popup.objects) {
		var p = Popup.objects[i];
		if (!p.modal && p.autoHide) {
			p.hide();
		}
	}
};
Event.add(document, "mouseup", Popup.hideAll, false);
Popup.show = function(divObject, referenceObject, position, options, modal) {
	var popup;
	if (defined(divObject)) { 
		popup = new Popup(divObject);
	}
	else {
		popup = new Popup();
		popup.destroyDivOnHide = true;
	}
	if (defined(referenceObject)) { popup.reference = DOM.resolve(referenceObject); }
	if (defined(position)) { popup.position = position; }
	if (defined(options) && options!=null && typeof(options)=="object") {
		for (var i in options) {
			popup[i] = options[i];
		}
	}
	if (typeof(modal)=="boolean") {
		popup.modal = modal;
	}
	popup.destroyObjectsOnHide = true;
	popup.show();
	return popup;
};
Popup.showModal = function(divObject, referenceObject, position, options) {
	Popup.show(divObject, referenceObject, position, options, true);
};
Popup.get = function(divId) {
	if (defined(Popup.objectsById[divId])) {
		return Popup.objectsById[divId];
	}
	return null;
};
Popup.hide = function(divId) {
	var popup = Popup.get(divId);
	if (popup!=null) {
		popup.hide();
	}
};
Popup.prototype.content = null;
Popup.prototype.className = "PopupDiv";
Popup.prototype.style = null;
Popup.prototype.width = null;
Popup.prototype.height = null;
Popup.prototype.top = null;
Popup.prototype.left = null;
Popup.prototype.offsetLeft = 0;
Popup.prototype.offsetTop = 0;
Popup.prototype.constrainToScreen = true;
Popup.prototype.autoHide = true;
Popup.prototype.useIframeShim = false; 
Popup.prototype.iframe = null;
Popup.prototype.position = null; 
Popup.prototype.reference = null;
Popup.prototype.modal = false;
Popup.prototype.destroyDivOnHide = false;
Popup.prototype.destroyObjectsOnHide = false;
Popup.prototype.screen = null;
Popup.prototype.screenIframeShim = null;
Popup.prototype.screenOpacity=.8;
Popup.prototype.screenColor="#000000";
Popup.prototype.show = function(options, modal) {
	this.modal = this.modal || (typeof(modal)=="boolean" && modal);
	if (defined(options) && options!=null && typeof(options)=="object") {
		for (var i in options) {
			this[i] = options[i];
		}
	}
	this.div = DOM.resolve(this.div);
	CSS.setStyle(this.div,'position','absolute');
	if (this.div==null) {
		this.div = this.createDiv();
	}
	if (this.content!=null) {
		this.div.innerHTML = this.content;
		this.content = null;
	}
	if (this.className!=null) {
		this.div.className = this.className;
	}
	if (this.style!=null) {
		this.applyStyle();
	}
	if (this.width!=null) {
		this.div.style.width = this.width+"px";
		this.div.style.overflowX="auto";
	}
	if (this.height!=null) {
		this.div.style.height = this.height+"px";
		this.div.style.overflowY="auto";
	}
	this.transition();
	this.div.onclick = function(e) { 
		Event.cancelBubble(Event.resolve(e));
	};
	this.div.onmouseup = this.div.onclick;
	if (this.modal && this.div.focus) {
		this.div.focus();
	}
};
Popup.prototype.transition = function() {
	if (this.modal) {
		this.addScreen();
	}
	CSS.setStyle(this.div,'visibility','hidden');
	CSS.setStyle(this.div,'display','block');
	this.setPosition();
	if (this.useIframeShim) {
		this.addIframeShim();
	}
	this.div.style.zIndex = Popup.minZIndex++;
	CSS.setStyle(this.div,'display','block');
	CSS.setStyle(this.div,'visibility','visible');
};
Popup.prototype.showModal = function(options) {
	this.show(options,true);
};
Popup.prototype.applyStyle = function() {
	if (this.div!=null && this.style!=null && typeof(this.style)=="object") {
		for (var i in this.style) {
			this.div.style[i] = this.style[i];
		}
	}
};
Popup.prototype.hide = function() {
	if (this.destroyDivOnHide) {
		DOM.removeNode(this.div);
		this.div = null;
		delete Popup.objects[this.id];
	}
	else if (this.div!=null) {
		CSS.setStyle(this.div,'display','none');
	}
	if (this.destroyObjectsOnHide) {
		DOM.removeNode(this.iframe);
		DOM.removeNode(this.screen);
		DOM.removeNode(this.screenIframeShim);
	}
	else {
		if (this.iframe!=null) {
			this.iframe.style.display = "none";
		}
		if (this.screen!=null) {
			this.screen.style.display = "none";
		}
		if (this.screenIframeShim!=null) {
			this.screenIframeShim.style.display = "none";
		}
	}
};
Popup.prototype.setTop = function(top) {
	this.div.style.top = top+"px";
};
Popup.prototype.setLeft = function(left) {
	this.div.style.left = left+"px";
};
Popup.prototype.getTop = function() {
	return parseInt(CSS.getStyle(this.div,"top"),10);
};
Popup.prototype.getLeft = function() {
	return parseInt(CSS.getStyle(this.div,"left"),10);
};
Popup.prototype.setPosition = function() {
	if (this.position!=null) {
		var m = this.position.match(/^(\S+)\s+(\S+)/); 
		if (m!=null && m.length==3) {
			var v = m[1];
			var h = m[2];
			var ref = this.reference;
			if (ref==null) { ref = Screen.getBody(); }
			var p = Position.get(ref);
			var refTop = p.top;
			var refLeft = p.left;
			var refWidth = DOM.getOuterWidth(ref);
			var refHeight = DOM.getOuterHeight(ref);
			var width = DOM.getOuterWidth(this.div);
			var height = DOM.getOuterHeight(this.div);
			var scrollLeft = Screen.getScrollLeft();
			var scrollTop = Screen.getScrollTop();
			if (v=="above") { this.setTop(refTop-height+this.offsetTop); }
			else if (v=="top") { this.setTop(refTop+this.offsetTop); }
			else if (v=="center") { this.setTop(refTop+(refHeight/2)-(height/2)+this.offsetTop); }
			else if (v=="bottom") { this.setTop(refTop+refHeight-height+this.offsetTop); }
			else if (v=="below") { this.setTop(refTop+refHeight+this.offsetTop); }
			if (h=="adjacent-left") { this.setLeft(refLeft-width+this.offsetLeft); }
			else if (h=="left") { this.setLeft(refLeft+this.offsetLeft); }
			else if (h=="center") { this.setLeft(refLeft+(refWidth/2)-(width/2)+this.offsetLeft); }
			else if (h=="right") { this.setLeft(refLeft+refWidth-width+this.offsetLeft); }
			else if (h=="adjacent-right") { this.setLeft(refLeft+refWidth+this.offsetLeft); }
		}
	}
	else if (this.top==null && this.left==null) {
		this.center();
	}
	else {
		if (this.top==null) { this.top=0; }
		if (this.left==null) { this.left=0; }
		this.div.style.top = this.top+this.offsetTop+"px";
		this.div.style.left = this.left+this.offsetLeft+"px";
	}
	if (this.constrainToScreen) {
		this.fitToScreen();
	}
};
Popup.prototype.appendToBody = function(o) {
	var body = Screen.getBody();
	if (body && body.appendChild) {
		body.appendChild(o);
	}
};
Popup.prototype.createDiv = function() {
	if (document.createElement) {
		var d = document.createElement("DIV");
		d.style.position="absolute";
		d.style.display="block";
		d.style.visibility="hidden";
		this.appendToBody(d);
		return d;
	}
	alert("ERROR: Couldn't create DIV element in Popup.prototype.createDiv()");
	return null;
};
Popup.prototype.createIframe = function() {
	if (document.createElement) {
		var i= document.createElement("IFRAME");
		i.style.position="absolute";
		i.style.display="block";
		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()");
	}
};
Popup.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');
};
Popup.prototype.addScreen = function() {
	if (this.screen==null) {
		this.screen = this.createDiv();
		this.screen.style.top="0px";
		this.screen.style.left="0px";
		this.screen.style.backgroundColor = this.screenColor;
		this.screen.className=Popup.screenClass;;
		CSS.setStyle(this.screen,"opacity",this.screenOpacity);
		this.screen.onclick = function(e) { Event.cancelBubble(Event.resolve(e)); }
	}
	if (this.screenIframeShim==null) {
		this.screenIframeShim = this.createIframe();
		this.screenIframeShim.style.top="0px";
		this.screenIframeShim.style.left="0px";
		this.screenIframeShim.className=Popup.screenIframeClass;
		CSS.setStyle(this.screenIframeShim,"opacity",0);
	}
	this.screen.style.width = Screen.getDocumentWidth()+"px";
	this.screen.style.height = Screen.getDocumentHeight()+"px";
	this.screenIframeShim.style.width = Screen.getDocumentWidth()+"px";
	this.screenIframeShim.style.height = Screen.getDocumentHeight()+"px";
	this.screenIframeShim.style.zIndex = Popup.minZIndex++;
	this.screenIframeShim.style.visibility="visible";
	this.screenIframeShim.style.display="block";
	this.screen.style.zIndex = Popup.minZIndex++;
	this.screen.style.visibility="visible";
	this.screen.style.display="block";
};
Popup.prototype.fitToScreen = function() {
	var width = DOM.getOuterWidth(this.div);
	var height = DOM.getOuterHeight(this.div);
	var top = this.getTop();
	var left = this.getLeft();
	var clientWidth = Screen.getViewportWidth();
	var clientHeight = Screen.getViewportHeight();
	var scrollLeft = Screen.getScrollLeft();
	var scrollTop = Screen.getScrollTop();
	if (top-scrollTop+height>clientHeight) {
		top = top - ((top+height) - (scrollTop+clientHeight));
		this.div.style.top = top + "px";
	}
	if (left-scrollLeft+width>clientWidth) {
		left = left - ((left+width) - (scrollLeft+clientWidth));
		this.div.style.left = left + "px";
	}
	if (top<scrollTop) {
		this.div.style.top=scrollTop+"px";
	}
	if (left<scrollLeft) {
		this.div.style.left=scrollLeft+"px";
	}
};
Popup.prototype.center = function() {
	var left = DOM.getOuterWidth(this.div);
	var top = DOM.getOuterHeight(this.div);
	if (isNaN(left)) { left=0; }
	if (isNaN(top)) { top=0; }	
	var clientW = Screen.getViewportWidth();
	var clientH = Screen.getViewportHeight();
	if (clientW!=null && clientH!=null) {
		top = (clientH-top)/2;
		left = (clientW-left)/2;
	}
	top += Screen.getScrollTop();
	left += Screen.getScrollLeft();
	
	this.div.style.top = top+this.offsetTop+"px";
	this.div.style.left = left+this.offsetLeft+"px";
};