/*
 * 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 = $('<div id="' + settings.id + '"><div><div><div class="url"></div></div>').appendTo(document.body).hide();
        if ($.fn.bgiframe) helper.parent.bgiframe();
        helper.title = $('div', 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);