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,percrevert) { 
	
	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(percrevert); 
				
			}	else {
				
				$S('starCur'+n).width=oX+'px';
				$S('starUser'+n).color='#000';
				$('starUser'+n).innerHTML=Math.round(oX/84*100)+'%';
				
			}
		};
	} 
};

star.update=function(e,o,schedaid,userid,usernick,tiposcheda,percrevert) { 
		
	var n=star.num, v=parseInt($('starUser'+n).innerHTML);

	n=o.id.substr(4); 
	
	$('starCur'+n).title='grazie per aver votato!';

	req=new XMLHttpRequest(); 
	
	req.open("POST","/ajax.php?action=salvavoto&id="+schedaid+"&autoreid="+userid+"&autorenick="+usernick+"&tiposcheda="+tiposcheda+"&voto="+(Math.round(v/100*5*2)/2),false); 
	
	req.send(null);
	
	if (req.readyState == 4) { 
			
		if (req.status == 200) { 
			
			if (req.responseText == 1) {
				
				star.revert(percrevert);			
				
				document.getElementById("testoVoto"+schedaid).innerHTML = "Grazie per aver votato!";
			
			} else {
			
				document.getElementById("testoVoto"+schedaid).innerHTML = "Si prega di riprovare!";
			
			}
		}
	}	  
};

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

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

};

star.num=0;