// tipsy, facebook style tooltips for jquery
// version 1.0.0a
// (c) 2008-2010 jason frame [jason@onehackoranother.com]
// released under the MIT license

(function(b){function a(d,c){this.$element=b(d);this.options=c;this.enabled=true;this.fixTitle()}a.prototype={show:function(){var f=this.getTitle();if(f&&this.enabled){var e=this.tip();e.find(".tipsy-inner")[this.options.html?"html":"text"](f);e[0].className="tipsy";e.remove().css({top:0,left:0,visibility:"hidden",display:"block"}).appendTo(document.body);var i=b.extend({},this.$element.offset(),{width:this.$element[0].offsetWidth,height:this.$element[0].offsetHeight});var c=e[0].offsetWidth,h=e[0].offsetHeight;var g=(typeof this.options.gravity=="function")?this.options.gravity.call(this.$element[0]):this.options.gravity;var d;switch(g.charAt(0)){case"n":d={top:i.top+i.height+this.options.offset,left:i.left+i.width/2-c/2};break;case"s":d={top:i.top-h-this.options.offset,left:i.left+i.width/2-c/2};break;case"e":d={top:i.top+i.height/2-h/2,left:i.left-c-this.options.offset};break;case"w":d={top:i.top+i.height/2-h/2,left:i.left+i.width+this.options.offset};break}if(g.length==2){if(g.charAt(1)=="w"){d.left=i.left+i.width/2-15}else{d.left=i.left+i.width/2-c+15}}e.css(d).addClass("tipsy-"+g);if(this.options.fade){e.stop().css({opacity:0,display:"block",visibility:"visible"}).animate({opacity:this.options.opacity})}else{e.css({visibility:"visible",opacity:this.options.opacity})}}},hide:function(){if(this.options.fade){this.tip().stop().fadeOut(function(){b(this).remove()})}else{this.tip().remove()}},fixTitle:function(){var c=this.$element;if(c.attr("title")||typeof(c.attr("original-title"))!="string"){c.attr("original-title",c.attr("title")||"").removeAttr("title")}},getTitle:function(){var e,c=this.$element,d=this.options;this.fixTitle();var e,d=this.options;if(typeof d.title=="string"){e=c.attr(d.title=="title"?"original-title":d.title)}else{if(typeof d.title=="function"){e=d.title.call(c[0])}}e=(""+e).replace(/(^\s*|\s*$)/,"");return e||d.fallback},tip:function(){if(!this.$tip){this.$tip=b('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>')}return this.$tip},validate:function(){if(!this.$element[0].parentNode){this.hide();this.$element=null;this.options=null}},enable:function(){this.enabled=true},disable:function(){this.enabled=false},toggleEnabled:function(){this.enabled=!this.enabled}};b.fn.tipsy=function(g){if(g===true){return this.data("tipsy")}else{if(typeof g=="string"){var i=this.data("tipsy");if(i){i[g]()}return this}}g=b.extend({},b.fn.tipsy.defaults,g);function f(k){var l=b.data(k,"tipsy");if(!l){l=new a(k,b.fn.tipsy.elementOptions(k,g));b.data(k,"tipsy",l)}return l}function j(){var k=f(this);k.hoverState="in";if(g.delayIn==0){k.show()}else{k.fixTitle();setTimeout(function(){if(k.hoverState=="in"){k.show()}},g.delayIn)}}function e(){var k=f(this);k.hoverState="out";if(g.delayOut==0){k.hide()}else{setTimeout(function(){if(k.hoverState=="out"){k.hide()}},g.delayOut)}}if(!g.live){this.each(function(){f(this)})}if(g.trigger!="manual"){var c=g.live?"live":"bind",h=g.trigger=="hover"?"mouseenter":"focus",d=g.trigger=="hover"?"mouseleave":"blur";this[c](h,j)[c](d,e)}return this};b.fn.tipsy.defaults={delayIn:0,delayOut:0,fade:false,fallback:"",gravity:"n",html:false,live:false,offset:0,opacity:0.8,title:"title",trigger:"hover"};b.fn.tipsy.elementOptions=function(d,c){return b.metadata?b.extend({},c,b(d).metadata()):c};b.fn.tipsy.autoNS=function(){return b(this).offset().top>(b(document).scrollTop()+b(window).height()/2)?"s":"n"};b.fn.tipsy.autoWE=function(){return b(this).offset().left>(b(document).scrollLeft()+b(window).width()/2)?"e":"w"}})(jQuery);