disableButtons = false;

function loadArticle(id)
{
  if(disableButtons) return;
  switch(id){
    case 1 : url = "ax.php?p=1";break;
    case 2 : url = "ax.php?p=2";break;
    case 3 : url = "ax.php?p=3";break;
		case 4 : url = "ax.php?p=4";break;
    default : return;
  }
  disableButtons = true;
	
	var dataDiv = document.getElementById('box-image');
  dataDiv.innerHTML = '<br><br><br><center><img src="template/ajax-loader.gif" style="height: 31px; width: 31px;"></center>';
	
  startGETRequest(url, onComplete, onEnd);
}

function onComplete(text, xml)
{
  var dataDiv = document.getElementById('box-image');
  dataDiv.innerHTML = text;
}

function onEnd(text, xml)
{
  disableButtons = false;
}