var imageDivIds = new Array("img1", "img2", "img3", "img4", "img5", "img6", "img7", "img8");
var copyImageDivIds = imageDivIds.slice(0);
var imageUrls;
var copyImageUrls;
var t;
var isDialogBoxOpen = false;
var currentReadMoreId;
var currentDialogBoxId;

function setupImages(){

        var imageListJson = getUrlString('/db.aspx?t=homepageimages&enabledop=%3D&enabledquery=Y&selectcolumns=image&vid=35');

        while(imageListJson .indexOf(", }") > 0){
          imageListJson = imageListJson .replace(", }","}");
        }
        while(imageListJson .indexOf(",]}") > 0){
          imageListJson = imageListJson .replace(",]}","]}");
        }

        try {
            var imageList = YAHOO.lang.JSON.parse(imageListJson);
        } 
        catch (e) {
            alert("(Error Retrieving Home Page Images) -- " + e);
        }


       imageUrls = imageList.homepageimages;
       copyImageUrls =  imageUrls.slice(0);

  for (var i = 0; i < imageDivIds.length; i++) {
  
    imageUrlLocation = Math.floor((copyImageUrls.length) * Math.random());
    selectedImageUrl = copyImageUrls.splice(imageUrlLocation, 1)[0];


    
    document.getElementById(imageDivIds[i]).innerHTML = "<img src='/" + selectedImageUrl.image + "'>";
  }
  
  // startRotatingImages();
}

function startRotatingImages(){
  YAHOO.util.Dom.removeClass("dialog", "dialog_div_open");
  
  if (copyImageDivIds.length == 0) 
    copyImageDivIds = imageDivIds.slice(0);
  if (copyImageUrls.length == 0) 
    copyImageUrls = imageUrls.slice(0);
  
  divIdLocation = Math.floor((copyImageDivIds.length) * Math.random());
  imageUrlLocation = 0; //Math.floor((copyImageUrls.length) * Math.random());
  
  selectedDivId = copyImageDivIds.splice(divIdLocation, 1);
  selectedImageUrl = copyImageUrls.splice(imageUrlLocation, 1)[0];
  
  fadeOut = new YAHOO.util.Anim(selectedDivId, {
    opacity: {
      to: 0
    }
  }, 0.5);
  
  fadeIn = function(){
    document.getElementById(selectedDivId).innerHTML = "<img src='/" + selectedImageUrl.image + "'>";
    fadeInImage = new YAHOO.util.Anim(selectedDivId, {
      opacity: {
        to: 1
      }
    }, 3);
    
    fadeInImage.animate();
  }
  
  fadeOut.animate();
  fadeOut.onComplete.subscribe(fadeIn);
  
  t = setTimeout("startRotatingImages()", 3000);
}

function stopRotatingImages(){
  clearTimeout(t);
}

function openDialogBox(readMoreId, dialogBoxId, onfocusId){
  if (isDialogBoxOpen) {
    closeDialogBox();
  }
  stopRotatingImages();
  currentDialogBoxId = dialogBoxId;
  currentReadMoreId = readMoreId;
  YAHOO.util.Dom.setStyle(dialogBoxId, 'display', 'inline');
  if (readMoreId) {
    YAHOO.util.Dom.setStyle(readMoreId, 'color', 'gray');
    YAHOO.util.Dom.setStyle(readMoreId + "_link", 'display', 'none');
  }

  if (onfocusId) document.getElementById(onfocusId).focus(); 

  isDialogBoxOpen = true;
}

function closeDialogBox(){
  YAHOO.util.Dom.setStyle(currentDialogBoxId, 'display', 'none');
  if (currentReadMoreId) {
    YAHOO.util.Dom.setStyle(currentReadMoreId, 'color', '');
    YAHOO.util.Dom.setStyle(currentReadMoreId + "_link", 'display', 'block');
    
  }
//  startRotatingImages();
  isDialogBoxOpen = false;
}



     function doLogin(){
        var serializedForm = AjaxRequest.serializeForm(document.loginForm);
        serializedForm = serializedForm + "&return=uid";
        
        var xmlHttp;
        try {
        
          // Firefox, Opera 8.0+, Safari
          xmlHttp = new XMLHttpRequest();
          //alert(xmlHttp)
        } 
        
        catch (e) {
          // Internet Explorer
          try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
          } 
          catch (e) {
            try {
              xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            } 
            catch (e) {
              alert("Your browser does not support AJAX!");
              return false;
            }
          }
        }
        
        var arui = new Date();
        xmlHttp.open("POST", "/login.aspx?" + serializedForm + '&AjaxRequestUniqueId=' + arui.getTime(), false);
        xmlHttp.send(null);
        
        var responseText = xmlHttp.responseText;
        
        if (responseText.indexOf("Error:") > -1) {
          document.getElementById("loginError").innerHTML = "Invalid Username or Password<br><br>";
          document.getElementById("txtPassword").value = "";
          return false;
        }
        else 
          return true;
        
      }