/*
 * 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=$('<div id="'+settings.id+'"><h3></h3><div class="body"></div><div class="url"></div></div>').appendTo(document.body).hide();
    if($.fn.bgiframe)helper.parent.bgiframe();
    helper.title=$('h3',helper.parent);
    helper.body=$('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);