function getChart(url){
    Ajax.getInclude(url, function(data) {
    dwr.util.setValue("forward", data, { escapeHtml:false });
    hideLoadingImage();
displayButton();
  })
 }

 function getTable(url){
    hideButton();
    Ajax.getInclude(url, function(data) {
    dwr.util.setValue("forward2", data, { escapeHtml:false });
    hideLoadingImage();
    displayTable();
  })
 }
 
  function hideChart() {
   $("forward").style.visibility = "hidden";
 }
 
   function displayChart() {
   $("forward").style.visibility = "visible";
 }

 function hideTable() {
   $("forward2").style.visibility = "hidden";
 }
 
  function displayTable() {
   $("forward2").style.visibility = "visible";
    displayButton();
 }

 function displayLoadingImage() {
   $("progress").style.visibility = "visible";
    hideButton();
 }

 function hideLoadingImage() {
   $("progress").style.visibility = "hidden";
	displayButton();
 }

 function hideButton() {
   $("button").style.visibility = "hidden";
 }

 function displayButton() {
   $("button").style.visibility = "visible";
 }