/*
 * jQuery Tooltip plugin 1.3
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-tooltip/
 * http://docs.jquery.com/Plugins/Tooltip
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.tooltip.js 5741 2008-06-21 15:22:16Z joern.zaefferer $
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */;
(function($) {
	var helper = {}, current, title, tID, IE = $.browser.msie
			&& /MSIE\s(5\.5|6\.)/.test(navigator.userAgent), track = false;
	$.tooltip = {
		blocked : false,
		defaults : {
			delay : 200,
			fade : false,
			showURL : true,
			extraClass : "",
			top : 15,
			left : 15,
			id : "tooltip"
		},
		block : function() {
			$.tooltip.blocked = !$.tooltip.blocked;
		}
	};
	$.fn
			.extend( {
				tooltip : function(settings) {
					settings = $.extend( {}, $.tooltip.defaults, settings);
					createHelper(settings);
					return this.each(function() {
						$.data(this, "tooltip", settings);
						this.tOpacity = helper.parent.css("opacity");
						this.tooltipText = this.title;
						$(this).removeAttr("title");
						this.alt = "";
					}).mouseover(save).mouseout(hide).click(hide);
				},
				fixPNG : IE ? function() {
					return this
							.each(function() {
								var image = $(this).css('backgroundImage');
								if (image
										.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
									image = RegExp.$1;
									$(this)
											.css(
													{
														'backgroundImage' : 'none',
														'filter' : "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='"
																+ image + "')"
													})
											.each(
													function() {
														var position = $(this)
																.css('position');
														if (position != 'absolute'
																&& position != 'relative')
															$(this).css(
																	'position',
																	'relative');
													});
								}
							});
				}
						: function() {
							return this;
						},
				unfixPNG : IE ? function() {
					return this.each(function() {
						$(this).css( {
							'filter' : '',
							backgroundImage : ''
						});
					});
				} : function() {
					return this;
				},
				hideWhenEmpty : function() {
					return this.each(function() {
						$(this)[$(this).html() ? "show" : "hide"]();
					});
				},
				url : function() {
					return this.attr('href') || this.attr('src');
				}
			});
	function createHelper(settings) {
		if (helper.parent)
			return;
		helper.parent = $(
				'<div id="' + settings.id + '"><h6></h6><div class="body"></div><div class="url"></div></div>')
				.appendTo(document.body).hide();
		if ($.fn.bgiframe)
			helper.parent.bgiframe();
		helper.title = $('h6', helper.parent);
		helper.body = $('div.body', helper.parent);
		helper.url = $('div.url', helper.parent);
	}
	function settings(element) {
		return $.data(element, "tooltip");
	}
	function handle(event) {
		if (settings(this).delay)
			tID = setTimeout(show, settings(this).delay);
		else
			show();
		track = !!settings(this).track;
		$(document.body).bind('mousemove', update);
		update(event);
	}
	function save() {
		if ($.tooltip.blocked || this == current
				|| (!this.tooltipText && !settings(this).bodyHandler))
			return;
		current = this;
		title = this.tooltipText;
		if (settings(this).bodyHandler) {
			helper.title.hide();
			var bodyContent = settings(this).bodyHandler.call(this);
			if (bodyContent.nodeType || bodyContent.jquery) {
				helper.body.empty().append(bodyContent)
			} else {
				helper.body.html(bodyContent);
			}
			helper.body.show();
		} else if (settings(this).showBody) {
			var parts = title.split(settings(this).showBody);
			helper.title.html(parts.shift()).show();
			helper.body.empty();
			for ( var i = 0, part; (part = parts[i]); i++) {
				if (i > 0)
					helper.body.append("<br/>");
				helper.body.append(part);
			}
			helper.body.hideWhenEmpty();
		} else {
			helper.title.html(title).show();
			helper.body.hide();
		}
		if (settings(this).showURL && $(this).url())
			helper.url.html($(this).url().replace('http://', '')).show();
		else
			helper.url.hide();
		helper.parent.addClass(settings(this).extraClass);
		if (settings(this).fixPNG)
			helper.parent.fixPNG();
		handle.apply(this, arguments);
	}
	function show() {
		tID = null;
		if ((!IE || !$.fn.bgiframe) && settings(current).fade) {
			if (helper.parent.is(":animated"))
				helper.parent.stop().show().fadeTo(settings(current).fade,
						current.tOpacity);
			else
				helper.parent.is(':visible') ? helper.parent.fadeTo(
						settings(current).fade, current.tOpacity)
						: helper.parent.fadeIn(settings(current).fade);
		} else {
			helper.parent.show();
		}
		update();
	}
	function update(event) {
		if ($.tooltip.blocked)
			return;
		if (event && event.target.tagName == "OPTION") {
			return;
		}
		if (!track && helper.parent.is(":visible")) {
			$(document.body).unbind('mousemove', update)
		}
		if (current == null) {
			$(document.body).unbind('mousemove', update);
			return;
		}
		helper.parent.removeClass("viewport-right").removeClass(
				"viewport-bottom");
		var left = helper.parent[0].offsetLeft;
		var top = helper.parent[0].offsetTop;
		if (event) {
			left = event.pageX + settings(current).left;
			top = event.pageY + settings(current).top;
			var right = 'auto';
			if (settings(current).positionLeft) {
				right = $(window).width() - left;
				left = 'auto';
			}
			helper.parent.css( {
				left : left,
				right : right,
				top : top
			});
		}
		var v = viewport(), h = helper.parent[0];
		if (v.x + v.cx < h.offsetLeft + h.offsetWidth) {
			left -= h.offsetWidth + 20 + settings(current).left;
			helper.parent.css( {
				left : left + 'px'
			}).addClass("viewport-right");
		}
		if (v.y + v.cy < h.offsetTop + h.offsetHeight) {
			top -= h.offsetHeight + 20 + settings(current).top;
			helper.parent.css( {
				top : top + 'px'
			}).addClass("viewport-bottom");
		}
	}
	function viewport() {
		return {
			x : $(window).scrollLeft(),
			y : $(window).scrollTop(),
			cx : $(window).width(),
			cy : $(window).height()
		};
	}
	function hide(event) {
		if ($.tooltip.blocked)
			return;
		if (tID)
			clearTimeout(tID);
		current = null;
		var tsettings = settings(this);
		function complete() {
			helper.parent.removeClass(tsettings.extraClass).hide().css(
					"opacity", "");
		}
		if ((!IE || !$.fn.bgiframe) && tsettings.fade) {
			if (helper.parent.is(':animated'))
				helper.parent.stop().fadeTo(tsettings.fade, 0, complete);
			else
				helper.parent.stop().fadeOut(tsettings.fade, complete);
		} else
			complete();
		if (settings(this).fixPNG)
			helper.parent.unfixPNG();
	}
})(jQuery);