/*
 * @name BeautyTips
 * @desc a tooltips/baloon-help plugin for jQuery
 *
 * @author Jeff Robbins - Lullabot - http://www.lullabot.com
 * @version 0.9.5-rc1  (5/20/2009)
 */
jQuery.bt = {version:"0.9.5-rc1"};
(function ($) {
	jQuery.fn.bt = function (content, options) {
		if (typeof content != "string") {
			var contentSelect = true;
			options = content;
			content = false;
		} else {
			var contentSelect = false;
		}
		if (jQuery.fn.hoverIntent && jQuery.bt.defaults.trigger == "hover") {
			jQuery.bt.defaults.trigger = "hoverIntent";
		}
		return this.each(function (index) {
			var opts = jQuery.extend(false, jQuery.bt.defaults, jQuery.bt.options, options);
			opts.spikeLength = numb(opts.spikeLength);
			opts.spikeGirth = numb(opts.spikeGirth);
			opts.overlap = numb(opts.overlap);
			var ajaxTimeout = false;
			if (opts.killTitle) {
				$(this).find("[title]").andSelf().each(function () {
					if (!$(this).attr("bt-xTitle")) {
						$(this).attr("bt-xTitle", $(this).attr("title")).attr("title", "");
					}
				});
			}
			if (typeof opts.trigger == "string") {
				opts.trigger = [opts.trigger];
			}
			if (opts.trigger[0] == "hoverIntent") {
				var hoverOpts = jQuery.extend(opts.hoverIntentOpts, {over:function () {
					this.btOn();
				}, out:function () {
					this.btOff();
				}});
				$(this).hoverIntent(hoverOpts);
			} else {
				if (opts.trigger[0] == "hover") {
					$(this).hover(function () {
						this.btOn();
					}, function () {
						this.btOff();
					});
				} else {
					if (opts.trigger[0] == "now") {
						if ($(this).hasClass("bt-active")) {
							this.btOff();
						} else {
							this.btOn();
						}
					} else {
						if (opts.trigger[0] == "none") {
						} else {
							if (opts.trigger.length > 1 && opts.trigger[0] != opts.trigger[1]) {
								$(this).bind(opts.trigger[0], function () {
									this.btOn();
								}).bind(opts.trigger[1], function () {
									this.btOff();
								});
							} else {
								$(this).bind(opts.trigger[0], function () {
									if ($(this).hasClass("bt-active")) {
										this.btOff();
									} else {
										this.btOn();
									}
								});
							}
						}
					}
				}
			}
			this.btOn = function () {
				if (typeof $(this).data("bt-box") == "object") {
					this.btOff();
				}
				opts.preBuild.apply(this);
				$(jQuery.bt.vars.closeWhenOpenStack).btOff();
				$(this).addClass("bt-active " + opts.activeClass);
				if (contentSelect && opts.ajaxPath == null) {
					if (opts.killTitle) {
						$(this).attr("title", $(this).attr("bt-xTitle"));
					}
					content = $.isFunction(opts.contentSelector) ? opts.contentSelector.apply(this) : eval(opts.contentSelector);
					if (opts.killTitle) {
						$(this).attr("title", "");
					}
				}
				if (opts.ajaxPath != null && content == false) {
					if (typeof opts.ajaxPath == "object") {
						var url = eval(opts.ajaxPath[0]);
						url += opts.ajaxPath[1] ? " " + opts.ajaxPath[1] : "";
					} else {
						var url = opts.ajaxPath;
					}
					var off = url.indexOf(" ");
					if (off >= 0) {
						var selector = url.slice(off, url.length);
						url = url.slice(0, off);
					}
					var cacheData = opts.ajaxCache ? $(document.body).data("btCache-" + url.replace(/\./g, "")) : null;
					if (typeof cacheData == "string") {
						content = selector ? $("<div/>").append(cacheData.replace(/<script(.|\s)*?\/script>/g, "")).find(selector) : cacheData;
					} else {
						var target = this;
						var ajaxOpts = jQuery.extend(false, {type:opts.ajaxType, data:opts.ajaxData, cache:opts.ajaxCache, url:url, complete:function (XMLHttpRequest, textStatus) {
							if (textStatus == "success" || textStatus == "notmodified") {
								if (opts.ajaxCache) {
									$(document.body).data("btCache-" + url.replace(/\./g, ""), XMLHttpRequest.responseText);
								}
								ajaxTimeout = false;
								content = selector ? $("<div/>").append(XMLHttpRequest.responseText.replace(/<script(.|\s)*?\/script>/g, "")).find(selector) : XMLHttpRequest.responseText;
							} else {
								if (textStatus == "timeout") {
									ajaxTimeout = true;
								}
								content = opts.ajaxError.replace(/%error/g, XMLHttpRequest.statusText);
							}
							if ($(target).hasClass("bt-active")) {
								target.btOn();
							}
						}}, opts.ajaxOpts);
						jQuery.ajax(ajaxOpts);
						content = opts.ajaxLoading;
					}
				}
				var shadowMarginX = 0;
				var shadowMarginY = 0;
				var shadowShiftX = 0;
				var shadowShiftY = 0;
				if (opts.shadow && !shadowSupport()) {
					opts.shadow = false;
					jQuery.extend(opts, opts.noShadowOpts);
				}
				if (opts.shadow) {
					if (opts.shadowBlur > Math.abs(opts.shadowOffsetX)) {
						shadowMarginX = opts.shadowBlur * 2;
					} else {
						shadowMarginX = opts.shadowBlur + Math.abs(opts.shadowOffsetX);
					}
					shadowShiftX = (opts.shadowBlur - opts.shadowOffsetX) > 0 ? opts.shadowBlur - opts.shadowOffsetX : 0;
					if (opts.shadowBlur > Math.abs(opts.shadowOffsetY)) {
						shadowMarginY = opts.shadowBlur * 2;
					} else {
						shadowMarginY = opts.shadowBlur + Math.abs(opts.shadowOffsetY);
					}
					shadowShiftY = (opts.shadowBlur - opts.shadowOffsetY) > 0 ? opts.shadowBlur - opts.shadowOffsetY : 0;
				}
				if (opts.offsetParent) {
					var offsetParent = $(opts.offsetParent);
					var offsetParentPos = offsetParent.offset();
					var pos = $(this).offset();
					var top = numb(pos.top) - numb(offsetParentPos.top) + numb($(this).css("margin-top")) - shadowShiftY;
					var left = numb(pos.left) - numb(offsetParentPos.left) + numb($(this).css("margin-left")) - shadowShiftX;
				} else {
					var offsetParent = ($(this).css("position") == "absolute") ? $(this).parents().eq(0).offsetParent() : $(this).offsetParent();
					var pos = $(this).btPosition();
					var top = numb(pos.top) + numb($(this).css("margin-top")) - shadowShiftY;
					var left = numb(pos.left) + numb($(this).css("margin-left")) - shadowShiftX;
				}
				var width = $(this).btOuterWidth();
				var height = $(this).outerHeight();
				if (typeof content == "object") {
					var original = content;
					var clone = $(original).clone(true).show();
					var origClones = $(original).data("bt-clones") || [];
					origClones.push(clone);
					$(original).data("bt-clones", origClones);
					$(clone).data("bt-orig", original);
					$(this).data("bt-content-orig", {original:original, clone:clone});
					content = clone;
				}
				if (typeof content == "null" || content == "") {
					return;
				}
				var $text = $("<div class=\"bt-content\"></div>").append(content).css({padding:opts.padding, position:"absolute", width:(opts.shrinkToFit ? "auto" : opts.width), zIndex:opts.textzIndex, left:shadowShiftX, top:shadowShiftY}).css(opts.cssStyles);
				var $box = $("<div class=\"bt-wrapper\"></div>").append($text).addClass(opts.cssClass).css({position:"absolute", width:opts.width, zIndex:opts.wrapperzIndex, visibility:"hidden"}).appendTo(offsetParent);
				if (jQuery.fn.bgiframe) {
					$text.bgiframe();
					$box.bgiframe();
				}
				$(this).data("bt-box", $box);
				var scrollTop = numb($(document).scrollTop());
				var scrollLeft = numb($(document).scrollLeft());
				var docWidth = numb($(window).width());
				var docHeight = numb($(window).height());
				var winRight = scrollLeft + docWidth;
				var winBottom = scrollTop + docHeight;
				var space = new Object();
				var thisOffset = $(this).offset();
				space.top = thisOffset.top - scrollTop;
				space.bottom = docHeight - ((thisOffset + height) - scrollTop);
				space.left = thisOffset.left - scrollLeft;
				space.right = docWidth - ((thisOffset.left + width) - scrollLeft);
				var textOutHeight = numb($text.outerHeight());
				var textOutWidth = numb($text.btOuterWidth());
				if (opts.positions.constructor == String) {
					opts.positions = opts.positions.replace(/ /, "").split(",");
				}
				if (opts.positions[0] == "most") {
					var position = "top";
					for (var pig in space) {
						position = space[pig] > space[position] ? pig : position;
					}
				} else {
					for (var x in opts.positions) {
						var position = opts.positions[x];
						if ((position == "left" || position == "right") && space[position] > textOutWidth + opts.spikeLength) {
							break;
						} else {
							if ((position == "top" || position == "bottom") && space[position] > textOutHeight + opts.spikeLength) {
								break;
							}
						}
					}
				}
				var horiz = left + ((width - textOutWidth) * 0.5);
				var vert = top + ((height - textOutHeight) * 0.5);
				var points = new Array();
				var textTop, textLeft, textRight, textBottom, textTopSpace, textBottomSpace, textLeftSpace, textRightSpace, crossPoint, textCenter, spikePoint;
				switch (position) {
				  case "top":
					$text.css("margin-bottom", opts.spikeLength + "px");
					$box.css({top:(top - $text.outerHeight(true)) + opts.overlap, left:horiz});
					textRightSpace = (winRight - opts.windowMargin) - ($text.offset().left + $text.btOuterWidth(true));
					var xShift = shadowShiftX;
					if (textRightSpace < 0) {
						$box.css("left", (numb($box.css("left")) + textRightSpace) + "px");
						xShift -= textRightSpace;
					}
					textLeftSpace = ($text.offset().left + numb($text.css("margin-left"))) - (scrollLeft + opts.windowMargin);
					if (textLeftSpace < 0) {
						$box.css("left", (numb($box.css("left")) - textLeftSpace) + "px");
						xShift += textLeftSpace;
					}
					textTop = $text.btPosition().top + numb($text.css("margin-top"));
					textLeft = $text.btPosition().left + numb($text.css("margin-left"));
					textRight = textLeft + $text.btOuterWidth();
					textBottom = textTop + $text.outerHeight();
					textCenter = {x:textLeft + ($text.btOuterWidth() * opts.centerPointX), y:textTop + ($text.outerHeight() * opts.centerPointY)};
					points[points.length] = spikePoint = {y:textBottom + opts.spikeLength, x:((textRight - textLeft) * 0.5) + xShift, type:"spike"};
					crossPoint = findIntersectX(spikePoint.x, spikePoint.y, textCenter.x, textCenter.y, textBottom);
					crossPoint.x = crossPoint.x < textLeft + opts.spikeGirth / 2 + opts.cornerRadius ? textLeft + opts.spikeGirth / 2 + opts.cornerRadius : crossPoint.x;
					crossPoint.x = crossPoint.x > (textRight - opts.spikeGirth / 2) - opts.cornerRadius ? (textRight - opts.spikeGirth / 2) - opts.CornerRadius : crossPoint.x;
					points[points.length] = {x:crossPoint.x - (opts.spikeGirth / 2), y:textBottom, type:"join"};
					points[points.length] = {x:textLeft, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textBottom, type:"corner"};
					points[points.length] = {x:crossPoint.x + (opts.spikeGirth / 2), y:textBottom, type:"join"};
					points[points.length] = spikePoint;
					break;
				  case "left":
					$text.css("margin-right", opts.spikeLength + "px");
					$box.css({top:vert + "px", left:((left - $text.btOuterWidth(true)) + opts.overlap) + "px"});
					textBottomSpace = (winBottom - opts.windowMargin) - ($text.offset().top + $text.outerHeight(true));
					var yShift = shadowShiftY;
					if (textBottomSpace < 0) {
						$box.css("top", (numb($box.css("top")) + textBottomSpace) + "px");
						yShift -= textBottomSpace;
					}
					textTopSpace = ($text.offset().top + numb($text.css("margin-top"))) - (scrollTop + opts.windowMargin);
					if (textTopSpace < 0) {
						$box.css("top", (numb($box.css("top")) - textTopSpace) + "px");
						yShift += textTopSpace;
					}
					textTop = $text.btPosition().top + numb($text.css("margin-top"));
					textLeft = $text.btPosition().left + numb($text.css("margin-left"));
					textRight = textLeft + $text.btOuterWidth();
					textBottom = textTop + $text.outerHeight();
					textCenter = {x:textLeft + ($text.btOuterWidth() * opts.centerPointX), y:textTop + ($text.outerHeight() * opts.centerPointY)};
					points[points.length] = spikePoint = {x:textRight + opts.spikeLength, y:((textBottom - textTop) * 0.5) + yShift, type:"spike"};
					crossPoint = findIntersectY(spikePoint.x, spikePoint.y, textCenter.x, textCenter.y, textRight);
					crossPoint.y = crossPoint.y < textTop + opts.spikeGirth / 2 + opts.cornerRadius ? textTop + opts.spikeGirth / 2 + opts.cornerRadius : crossPoint.y;
					crossPoint.y = crossPoint.y > (textBottom - opts.spikeGirth / 2) - opts.cornerRadius ? (textBottom - opts.spikeGirth / 2) - opts.cornerRadius : crossPoint.y;
					points[points.length] = {x:textRight, y:crossPoint.y + opts.spikeGirth / 2, type:"join"};
					points[points.length] = {x:textRight, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:crossPoint.y - opts.spikeGirth / 2, type:"join"};
					points[points.length] = spikePoint;
					break;
				  case "bottom":
					$text.css("margin-top", opts.spikeLength + "px");
					$box.css({top:(top + height) - opts.overlap, left:horiz});
					textRightSpace = (winRight - opts.windowMargin) - ($text.offset().left + $text.btOuterWidth(true));
					var xShift = shadowShiftX;
					if (textRightSpace < 0) {
						$box.css("left", (numb($box.css("left")) + textRightSpace) + "px");
						xShift -= textRightSpace;
					}
					textLeftSpace = ($text.offset().left + numb($text.css("margin-left"))) - (scrollLeft + opts.windowMargin);
					if (textLeftSpace < 0) {
						$box.css("left", (numb($box.css("left")) - textLeftSpace) + "px");
						xShift += textLeftSpace;
					}
					textTop = $text.btPosition().top + numb($text.css("margin-top"));
					textLeft = $text.btPosition().left + numb($text.css("margin-left"));
					textRight = textLeft + $text.btOuterWidth();
					textBottom = textTop + $text.outerHeight();
					textCenter = {x:textLeft + ($text.btOuterWidth() * opts.centerPointX), y:textTop + ($text.outerHeight() * opts.centerPointY)};
					points[points.length] = spikePoint = {x:((textRight - textLeft) * 0.5) + xShift, y:shadowShiftY, type:"spike"};
					crossPoint = findIntersectX(spikePoint.x, spikePoint.y, textCenter.x, textCenter.y, textTop);
					crossPoint.x = crossPoint.x < textLeft + opts.spikeGirth / 2 + opts.cornerRadius ? textLeft + opts.spikeGirth / 2 + opts.cornerRadius : crossPoint.x;
					crossPoint.x = crossPoint.x > (textRight - opts.spikeGirth / 2) - opts.cornerRadius ? (textRight - opts.spikeGirth / 2) - opts.cornerRadius : crossPoint.x;
					points[points.length] = {x:crossPoint.x + opts.spikeGirth / 2, y:textTop, type:"join"};
					points[points.length] = {x:textRight, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textTop, type:"corner"};
					points[points.length] = {x:crossPoint.x - (opts.spikeGirth / 2), y:textTop, type:"join"};
					points[points.length] = spikePoint;
					break;
				  case "right":
					$text.css("margin-left", (opts.spikeLength + "px"));
					$box.css({top:vert + "px", left:((left + width) - opts.overlap) + "px"});
					textBottomSpace = (winBottom - opts.windowMargin) - ($text.offset().top + $text.outerHeight(true));
					var yShift = shadowShiftY;
					if (textBottomSpace < 0) {
						$box.css("top", (numb($box.css("top")) + textBottomSpace) + "px");
						yShift -= textBottomSpace;
					}
					textTopSpace = ($text.offset().top + numb($text.css("margin-top"))) - (scrollTop + opts.windowMargin);
					if (textTopSpace < 0) {
						$box.css("top", (numb($box.css("top")) - textTopSpace) + "px");
						yShift += textTopSpace;
					}
					textTop = $text.btPosition().top + numb($text.css("margin-top"));
					textLeft = $text.btPosition().left + numb($text.css("margin-left"));
					textRight = textLeft + $text.btOuterWidth();
					textBottom = textTop + $text.outerHeight();
					textCenter = {x:textLeft + ($text.btOuterWidth() * opts.centerPointX), y:textTop + ($text.outerHeight() * opts.centerPointY)};
					points[points.length] = spikePoint = {x:shadowShiftX, y:((textBottom - textTop) * 0.5) + yShift, type:"spike"};
					crossPoint = findIntersectY(spikePoint.x, spikePoint.y, textCenter.x, textCenter.y, textLeft);
					crossPoint.y = crossPoint.y < textTop + opts.spikeGirth / 2 + opts.cornerRadius ? textTop + opts.spikeGirth / 2 + opts.cornerRadius : crossPoint.y;
					crossPoint.y = crossPoint.y > (textBottom - opts.spikeGirth / 2) - opts.cornerRadius ? (textBottom - opts.spikeGirth / 2) - opts.cornerRadius : crossPoint.y;
					points[points.length] = {x:textLeft, y:crossPoint.y - opts.spikeGirth / 2, type:"join"};
					points[points.length] = {x:textLeft, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textTop, type:"corner"};
					points[points.length] = {x:textRight, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:textBottom, type:"corner"};
					points[points.length] = {x:textLeft, y:crossPoint.y + opts.spikeGirth / 2, type:"join"};
					points[points.length] = spikePoint;
					break;
				}
				var canvas = document.createElement("canvas");
				$(canvas).attr("width", (numb($text.btOuterWidth(true)) + opts.strokeWidth * 2 + shadowMarginX)).attr("height", (numb($text.outerHeight(true)) + opts.strokeWidth * 2 + shadowMarginY)).appendTo($box).css({position:"absolute", zIndex:opts.boxzIndex});
				if (typeof G_vmlCanvasManager != "undefined") {
					canvas = G_vmlCanvasManager.initElement(canvas);
				}
				if (opts.cornerRadius > 0) {
					var newPoints = new Array();
					var newPoint;
					for (var i = 0; i < points.length; i++) {
						if (points[i].type == "corner") {
							newPoint = betweenPoint(points[i], points[(i - 1) % points.length], opts.cornerRadius);
							newPoint.type = "arcStart";
							newPoints[newPoints.length] = newPoint;
							newPoints[newPoints.length] = points[i];
							newPoint = betweenPoint(points[i], points[(i + 1) % points.length], opts.cornerRadius);
							newPoint.type = "arcEnd";
							newPoints[newPoints.length] = newPoint;
						} else {
							newPoints[newPoints.length] = points[i];
						}
					}
					points = newPoints;
				}
				var ctx = canvas.getContext("2d");
				if (opts.shadow && opts.shadowOverlap !== true) {
					var shadowOverlap = numb(opts.shadowOverlap);
					switch (position) {
					  case "top":
						if (opts.shadowOffsetX + opts.shadowBlur - shadowOverlap > 0) {
							$box.css("top", (numb($box.css("top")) - (opts.shadowOffsetX + opts.shadowBlur - shadowOverlap)));
						}
						break;
					  case "right":
						if (shadowShiftX - shadowOverlap > 0) {
							$box.css("left", (numb($box.css("left")) + shadowShiftX - shadowOverlap));
						}
						break;
					  case "bottom":
						if (shadowShiftY - shadowOverlap > 0) {
							$box.css("top", (numb($box.css("top")) + shadowShiftY - shadowOverlap));
						}
						break;
					  case "left":
						if (opts.shadowOffsetY + opts.shadowBlur - shadowOverlap > 0) {
							$box.css("left", (numb($box.css("left")) - (opts.shadowOffsetY + opts.shadowBlur - shadowOverlap)));
						}
						break;
					}
				}
				drawIt.apply(ctx, [points], opts.strokeWidth);
				ctx.fillStyle = opts.fill;
				if (opts.shadow) {
					ctx.shadowOffsetX = opts.shadowOffsetX;
					ctx.shadowOffsetY = opts.shadowOffsetY;
					ctx.shadowBlur = opts.shadowBlur;
					ctx.shadowColor = opts.shadowColor;
				}
				ctx.closePath();
				ctx.fill();
				if (opts.strokeWidth > 0) {
					ctx.shadowColor = "rgba(0, 0, 0, 0)";
					ctx.lineWidth = opts.strokeWidth;
					ctx.strokeStyle = opts.strokeStyle;
					ctx.beginPath();
					drawIt.apply(ctx, [points], opts.strokeWidth);
					ctx.closePath();
					ctx.stroke();
				}
				opts.preShow.apply(this, [$box[0]]);
				$box.css({display:"none", visibility:"visible"});
				opts.showTip.apply(this, [$box[0]]);
				if (opts.overlay) {
					var overlay = $("<div class=\"bt-overlay\"></div>").css({position:"absolute", backgroundColor:"blue", top:top, left:left, width:width, height:height, opacity:".2"}).appendTo(offsetParent);
					$(this).data("overlay", overlay);
				}
				if ((opts.ajaxPath != null && opts.ajaxCache == false) || ajaxTimeout) {
					content = false;
				}
				if (opts.clickAnywhereToClose) {
					jQuery.bt.vars.clickAnywhereStack.push(this);
					$(document).click(jQuery.bt.docClick);
				}
				if (opts.closeWhenOthersOpen) {
					jQuery.bt.vars.closeWhenOpenStack.push(this);
				}
				opts.postShow.apply(this, [$box[0]]);
			};
			this.btOff = function () {
				var box = $(this).data("bt-box");
				opts.preHide.apply(this, [box]);
				var i = this;
				i.btCleanup = function () {
					var box = $(i).data("bt-box");
					var contentOrig = $(i).data("bt-content-orig");
					var overlay = $(i).data("bt-overlay");
					if (typeof box == "object") {
						$(box).remove();
						$(i).removeData("bt-box");
					}
					if (typeof contentOrig == "object") {
						var clones = $(contentOrig.original).data("bt-clones");
						$(contentOrig).data("bt-clones", arrayRemove(clones, contentOrig.clone));
					}
					if (typeof overlay == "object") {
						$(overlay).remove();
						$(i).removeData("bt-overlay");
					}
					jQuery.bt.vars.clickAnywhereStack = arrayRemove(jQuery.bt.vars.clickAnywhereStack, i);
					jQuery.bt.vars.closeWhenOpenStack = arrayRemove(jQuery.bt.vars.closeWhenOpenStack, i);
					$(i).removeClass("bt-active " + opts.activeClass);
					opts.postHide.apply(i);
				};
				opts.hideTip.apply(this, [box, i.btCleanup]);
			};
			var refresh = this.btRefresh = function () {
				this.btOff();
				this.btOn();
			};
		});
		function drawIt(points, strokeWidth) {
			this.moveTo(points[0].x, points[0].y);
			for (i = 1; i < points.length; i++) {
				if (points[i - 1].type == "arcStart") {
					this.quadraticCurveTo(round5(points[i].x, strokeWidth), round5(points[i].y, strokeWidth), round5(points[(i + 1) % points.length].x, strokeWidth), round5(points[(i + 1) % points.length].y, strokeWidth));
					i++;
				} else {
					this.lineTo(round5(points[i].x, strokeWidth), round5(points[i].y, strokeWidth));
				}
			}
		}
		function round5(num, strokeWidth) {
			var ret;
			strokeWidth = numb(strokeWidth);
			if (strokeWidth % 2) {
				ret = num;
			} else {
				ret = Math.round(num - 0.5) + 0.5;
			}
			return ret;
		}
		function numb(num) {
			return parseInt(num) || 0;
		}
		function arrayRemove(arr, elem) {
			var x, newArr = new Array();
			for (x in arr) {
				if (arr[x] != elem) {
					newArr.push(arr[x]);
				}
			}
			return newArr;
		}
		function canvasSupport() {
			var canvas_compatible = false;
			try {
				canvas_compatible = !!(document.createElement("canvas").getContext("2d"));
			}
			catch (e) {
				canvas_compatible = !!(document.createElement("canvas").getContext);
			}
			return canvas_compatible;
		}
		function shadowSupport() {
			try {
				var userAgent = navigator.userAgent.toLowerCase();
				if (/webkit/.test(userAgent)) {
					return true;
				} else {
					if (/gecko|mozilla/.test(userAgent) && parseFloat(userAgent.match(/firefox\/(\d+(?:\.\d+)+)/)[1]) >= 3.1) {
						return true;
					}
				}
			}
			catch (err) {
			}
			return false;
		}
		function betweenPoint(point1, point2, dist) {
			var y, x;
			if (point1.x == point2.x) {
				y = point1.y < point2.y ? point1.y + dist : point1.y - dist;
				return {x:point1.x, y:y};
			} else {
				if (point1.y == point2.y) {
					x = point1.x < point2.x ? point1.x + dist : point1.x - dist;
					return {x:x, y:point1.y};
				}
			}
		}
		function centerPoint(arcStart, corner, arcEnd) {
			var x = corner.x == arcStart.x ? arcEnd.x : arcStart.x;
			var y = corner.y == arcStart.y ? arcEnd.y : arcStart.y;
			var startAngle, endAngle;
			if (arcStart.x < arcEnd.x) {
				if (arcStart.y > arcEnd.y) {
					startAngle = (Math.PI / 180) * 180;
					endAngle = (Math.PI / 180) * 90;
				} else {
					startAngle = (Math.PI / 180) * 90;
					endAngle = 0;
				}
			} else {
				if (arcStart.y > arcEnd.y) {
					startAngle = (Math.PI / 180) * 270;
					endAngle = (Math.PI / 180) * 180;
				} else {
					startAngle = 0;
					endAngle = (Math.PI / 180) * 270;
				}
			}
			return {x:x, y:y, type:"center", startAngle:startAngle, endAngle:endAngle};
		}
		function findIntersect(r1x1, r1y1, r1x2, r1y2, r2x1, r2y1, r2x2, r2y2) {
			if (r2x1 == r2x2) {
				return findIntersectY(r1x1, r1y1, r1x2, r1y2, r2x1);
			}
			if (r2y1 == r2y2) {
				return findIntersectX(r1x1, r1y1, r1x2, r1y2, r2y1);
			}
			var r1m = (r1y1 - r1y2) / (r1x1 - r1x2);
			var r1b = r1y1 - (r1m * r1x1);
			var r2m = (r2y1 - r2y2) / (r2x1 - r2x2);
			var r2b = r2y1 - (r2m * r2x1);
			var x = (r2b - r1b) / (r1m - r2m);
			var y = r1m * x + r1b;
			return {x:x, y:y};
		}
		function findIntersectY(r1x1, r1y1, r1x2, r1y2, x) {
			if (r1y1 == r1y2) {
				return {x:x, y:r1y1};
			}
			var r1m = (r1y1 - r1y2) / (r1x1 - r1x2);
			var r1b = r1y1 - (r1m * r1x1);
			var y = r1m * x + r1b;
			return {x:x, y:y};
		}
		function findIntersectX(r1x1, r1y1, r1x2, r1y2, y) {
			if (r1x1 == r1x2) {
				return {x:r1x1, y:y};
			}
			var r1m = (r1y1 - r1y2) / (r1x1 - r1x2);
			var r1b = r1y1 - (r1m * r1x1);
			var x = (y - r1b) / r1m;
			return {x:x, y:y};
		}
	};
	jQuery.fn.btPosition = function () {
		function num(elem, prop) {
			return elem[0] && parseInt(jQuery.curCSS(elem[0], prop, true), 10) || 0;
		}
		var left = 0, top = 0, results;
		if (this[0]) {
			var offsetParent = this.offsetParent(), offset = this.offset(), parentOffset = /^body|html$/i.test(offsetParent[0].tagName) ? {top:0, left:0} : offsetParent.offset();
			offset.top -= num(this, "marginTop");
			offset.left -= num(this, "marginLeft");
			parentOffset.top += num(offsetParent, "borderTopWidth");
			parentOffset.left += num(offsetParent, "borderLeftWidth");
			results = {top:offset.top - parentOffset.top, left:offset.left - parentOffset.left};
		}
		return results;
	};
	jQuery.fn.btOuterWidth = function (margin) {
		function num(elem, prop) {
			return elem[0] && parseInt(jQuery.curCSS(elem[0], prop, true), 10) || 0;
		}
		return this["innerWidth"]() + num(this, "borderLeftWidth") + num(this, "borderRightWidth") + (margin ? num(this, "marginLeft") + num(this, "marginRight") : 0);
	};
	jQuery.fn.btOn = function () {
		return this.each(function (index) {
			if (jQuery.isFunction(this.btOn)) {
				this.btOn();
			}
		});
	};
	jQuery.fn.btOff = function () {
		return this.each(function (index) {
			if (jQuery.isFunction(this.btOff)) {
				this.btOff();
			}
		});
	};
	jQuery.bt.vars = {clickAnywhereStack:[], closeWhenOpenStack:[]};
	jQuery.bt.docClick = function (e) {
		if (!e) {
			var e = window.event;
		}
		if (!$(e.target).parents().andSelf().filter(".bt-wrapper, .bt-active").length && jQuery.bt.vars.clickAnywhereStack.length) {
			$(jQuery.bt.vars.clickAnywhereStack).btOff();
			$(document).unbind("click", jQuery.bt.docClick);
		}
	};
	jQuery.bt.defaults = {trigger:"hover", clickAnywhereToClose:true, closeWhenOthersOpen:false, shrinkToFit:false, width:"200px", padding:"10px", spikeGirth:10, spikeLength:15, overlap:0, overlay:false, killTitle:true, textzIndex:9999, boxzIndex:9998, wrapperzIndex:9997, offsetParent:null, positions:["most"], fill:"rgb(255, 255, 102)", windowMargin:10, strokeWidth:1, strokeStyle:"#000", cornerRadius:5, centerPointX:0.5, centerPointY:0.5, shadow:false, shadowOffsetX:2, shadowOffsetY:2, shadowBlur:3, shadowColor:"#000", shadowOverlap:false, noShadowOpts:{strokeStyle:"#999"}, cssClass:"", cssStyles:{}, activeClass:"bt-active", contentSelector:"$(this).attr('title')", ajaxPath:null, ajaxError:"<strong>ERROR:</strong> <em>%error</em>", ajaxLoading:"<blink>Loading...</blink>", ajaxData:{}, ajaxType:"GET", ajaxCache:true, ajaxOpts:{}, preBuild:function () {
	}, preShow:function (box) {
	}, showTip:function (box) {
		$(box).show();
	}, postShow:function (box) {
	}, preHide:function (box) {
	}, hideTip:function (box, callback) {
		$(box).hide();
		callback();
	}, postHide:function () {
	}, hoverIntentOpts:{interval:300, timeout:500}};
	jQuery.bt.options = {};
})(jQuery);