function changeImg(imgsrc,imgId){
    var img = document.getElementById("ctl00_BarContent_Ratings_" + imgId);
    img.src = "App_Themes/Default/Images/Ratings/" + imgsrc + ".jpg";
    var hidden = document.getElementById("ctl00_BarContent_Ratings_" +imgId + "Hidden");
    hidden.value = "~/App_Themes/Default/Images/Ratings/" + imgsrc + ".jpg";    
}

function initCheckImages(){
    CheckImages()
}

function getElementsByClassName(strClassName, strTagName, startElement) {
  var startNode = startElement?startElement:document;
  var arrNodes  = startNode.getElementsByTagName(strTagName?strTagName:'*');
  var arrFound  = new Array();
  for (var i=0; i< arrNodes.length; i++) {
    var node = arrNodes[i];
    if (!node.className || node.className=="") continue;
    var arrClasses = node.className.split(' ');
    for (var j=0; j<arrClasses.length; j++) {
      if (arrClasses[j]==strClassName) arrFound[arrFound.length] = node;
    }
  }
  return arrFound;
}

function CheckImages(){
    var arrayImg = getElementsByClassName("rateimg", "img");
    //alert(arrayImg.length);
    for(var i = 0; i< arrayImg.length; i++){
        //alert(arrayImg[i].src.substring(arrayImg[i].src.length-1,arrayImg[i].src.length));
        if(arrayImg[i].src.substring(arrayImg[i].src.length-1,arrayImg[i].src.length) == "x"){
           arrayImg[i].src="App_Themes/Default/Images/Ratings/empty.jpg";
           var hidden= document.getElementById(arrayImg[i].id + "Hidden");
           hidden.value = "~/App_Themes/Default/Images/Ratings/empty.jpg";
        }
    }
}