动画半饼图

<div id=\"graph\"><img src=\"http://ajthomas.co.uk/back.png\"></div>

#graph{
    background:transparent url(http://ajthomas.co.uk/graph.png) no-repeat top left; 
    height:125px; 
    width:290px; 
    overflow:hidden;
}

$(\"img\").rotate({ 
   bind: 
     { 
        click : function() { 
            $(this).rotate({animateTo:180})
        }
     }   
});