/* AJAX Star Rating : v1.0.3 : 2008/05/06 */
/* http://www.nofunc.com/AJAX_Star_Rating/ */

function $(v,o) { return((typeof(o)=='object'?o:document).getElementById(v)); }
function $S(o) { return((typeof(o)=='object'?o:$(o)).style); }
function agent(v) { return(Math.max(navigator.userAgent.toLowerCase().indexOf(v),0)); }
function abPos(o) { var o=(typeof(o)=='object'?o:$(o)), z={X:0,Y:0}; while(o!=null) { z.X+=o.offsetLeft; z.Y+=o.offsetTop; o=o.offsetParent; }; return(z); }
function XY(e,v) { var o=agent('msie')?{'X':event.clientX+document.body.scrollLeft,'Y':event.clientY+document.body.scrollTop}:{'X':e.pageX,'Y':e.pageY}; return(v?o[v]:o); }

star={};

star.mouse=function(e,o) { if(star.stop || isNaN(star.stop)) { star.stop=0;

    document.onmousemove=function(e) { var n=star.num;

        var p=abPos($('star'+n)), x=XY(e), oX=x.X-p.X, oY=x.Y-p.Y; star.num=o.id.substr(4);

        if(oX<1 || oX>84 || oY<0 || oY>19) { star.stop=1; star.revert(); }

        else {

            $S('starCur'+n).width=oX+'px';
            $S('starUser'+n).color='#111';
            $('starUser'+n).innerHTML=Math.round(oX/84*100)+'%';
        }
    };
} };

star.update=function(e,o,r) { var n=star.num, v=parseInt($('starUser'+n).innerHTML);
    var id = $('starId'+n).value
    n=o.id.substr(4); $('starCur'+n).title=v;
    // Watch out for the relative url -- this function is always called from an action
    req=new XMLHttpRequest(); req.open('GET','../../provider/rate/'+id+'?r='+(v * 5.0/100),false); req.send(null);
    if (r) {
        if (r.substring(0, 3) == 'js:') {
            eval(r.substring(3));
        } else
            document.location = r;
    }
};

star.revert=function() { var n=star.num, v=parseInt($('starCur'+n).title);

    $S('starCur'+n).width=Math.round(v*84/100)+'px';
    $('starUser'+n).innerHTML=(v>0?Math.round(v)+'%':'');
    $('starUser'+n).style.color='#888';

    document.onmousemove='';

};

star.num=0;