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>115 || oY<0 || oY>25)
            {
                star.stop=1; star.revert();
            }
            else
            {
                $S('starCur'+n).width=oX+'px';
                $S('starUser'+n).color='#111';
                $('starUser'+n).innerHTML=Math.round(oX/115*100)+'%';
            }
        };
    }
};

star.update=function(e,o)
{
    var n=star.num, v=parseInt($('starUser'+n).innerHTML);
    
    var uid=document.form.user.value;
    var foc=document.form.focus.value;
    var overall=parseInt(document.form.overall.value);
    var nbvotes=parseInt(document.form.nb_votes.value);

	n=o.id.substr(4);
    $('starCur'+n).title=v;
    
	req=new XMLHttpRequest();
    req.open('GET','/focus/focuscomment/ratefocus.php?user=' + uid + '&focus=' + foc + '&rate='+(v),false);
    req.send(null);
    
    $('starUser'+n).innerHTML = (parseInt($('starUser'+n).innerHTML) + parseInt(v) / $('overall_foc_' + foc).innerHTML+1);
    
    if(isNaN(overall))
        overall = 100;
        
    nbvotes = parseInt(nbvotes + 1);
    new_overall = parseInt((overall*(nbvotes-1) + v) / nbvotes);
    
    if((new_overall > 100) || isNaN(new_overall))
        new_overall = parseInt(100);
    
    $('overall_foc_'+foc).innerHTML='&nbsp; Overall rating: ' + parseInt(new_overall) + '% / ' + parseInt(nbvotes) + ' votes';
    
    // refresh DIV ?
    if(document.getElementById('submit_com'))
        $('submit_com').innerHTML = 'You can now <a class="link" href="javascript:location.reload(true)">comment</a> this focus.';
};

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

	$S('starCur'+n).width=Math.round(v*115/100)+'px';
	$('starUser'+n).innerHTML=(v>0?Math.round(v)+'%':'');
	$('starUser'+n).style.color='#888';
	
	document.onmousemove='';

};

star.num=0;