function addMyRating(pos,uid,adr,pid)
{
  var xmlhttp;
        
        try {
                    xmlhttp = new XMLHttpRequest();
        } catch (e){
                           try {
                                       xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
                               } catch (e) {
                                                   try {
                                                               xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                                                        } catch (e){
                                                                           // Something went wrong
                                                                           alert("Your browser broke!");
                                                                           return false;
                                                                   }
                                           }
                   }
        xmlhttp.onreadystatechange = function(){
                if (xmlhttp.readyState == 4){
                            document.getElementById("rating_stars").innerHTML = xmlhttp.responseText;
                }
        }
        xmlhttp.open("GET", "/starrater1213/db.php?pos="+pos+"&uid="+uid+"&adr="+adr+"&pid="+pid, true);
        xmlhttp.send(null);
}

function changStarColor(pos)
{
	for (var i=1; i<=5; i++) {
	   var star_name = "star"+i;
	   if (i<=pos) {
	      document.getElementById(star_name).src="/images/small_red_star.gif";
	   } else {
	   	  document.getElementById(star_name).src="/images/small_grey_star.gif";
	   }
  }
}

function recoverStarColor()
{
	for (var i=1; i<=5; i++) {
		 var star_name = "star"+i;
		 var real_name = document.getElementById(star_name).name;
		 if (real_name=="red") {
		 	  document.getElementById(star_name).src="/images/small_red_star.gif"; 
		 } else if (real_name=="grey") {
		 	  document.getElementById(star_name).src="/images/small_grey_star.gif";
		 } else {
		 	  document.getElementById(star_name).src="/images/small_red_grey_star.gif";
		 }
  }
}