function fill(id, num){
   var srloc = document.getElementById(id+num).src;
   var parts = srloc.split("/");
   var img = parts[parts.length-1];

     document.rate.elements[id].value = num-1;

	if(img=='grey_full.png'){
	//unchoose(id,num);
	loopchoose(id, num);
	}
	if(img=='grey.png'){
	//choose(id,num);
	loopchoose(id, num);
	}
	if(img=='orange_full.png'){
	//unchoose(id,num);
	loopchoose(id, num);
	}
	if(img=='orange.png'){
	//choose(id,num);
	loopchoose(id, num);
	}
}

function choose(id, num){
	if(num==1){
	document.getElementById(id + num).src = 'images/stars/grey_full.png';
	}else{
	document.getElementById(id + num).src = 'images/stars/orange_full.png';
	}
}

function unchoose(id, num){
	if(num==1){
	document.getElementById(id + num).src = 'images/stars/grey.png';
	}else{
	document.getElementById(id + num).src = 'images/stars/orange.png';
	}
}

function loopchoose(id, num){
var i=1;

for (i=1;i<=6;i++){
	
if(i>num){
	unchoose(id, i);
}else{
	choose(id, i);
}

}	
}