var is_textchanged = false;
var image_names = new Array();
var image_array = new Array();
var change_delay = 3000;
var timerID;
var image_index = 0;

function text_clicked()
{
 if(is_textchanged == false)
 {
  is_textchanged = true;
  var txt_keyword = document.getElementById("title");
  txt_keyword.value = "";
 }
}

function check_text()
{
 if(is_textchanged == false)
 {
  var txt_keyword = document.getElementById("title");
  txt_keyword.value = "";
 }

 return true;
}

function initialize_images(image_string)
{
 if(document.images)
 {
  var image_names = image_string.split(";");
  for(var i = 0; i < image_names.length; i++)
  {
   image_array[i] = new Image();
   image_array[i].src = "../uploaded_images/"+image_names[i];
  }
 }

 timerID = setTimeout("change_image()", change_delay);
}

function change_image()
{
 if(image_index == (image_array.length - 1))
  image_index = 0;
 else
  image_index++;

 var eventimage = document.getElementById("eventimage");
 eventimage.src = image_array[image_index].src;

 clearTimeout(timerID);
 timeID = setTimeout("change_image()", change_delay);
}