function body_load() {
  parent.adjust_iframe_left_height(document.body.scrollHeight);
  
  window.__doPostBack = function (eventTarget, eventArgument) {
                          parent.show_loading();
                  
                          var theform;
                          if (window.navigator.appName.toLowerCase().indexOf("microsoft") > -1) {
                            theform = document.Form1;
                          }
                          else {
                            theform = document.forms["Form1"];
                          }
                  
                          theform.__EVENTTARGET.value = eventTarget.split("$").join(":");
                          theform.__EVENTARGUMENT.value = eventArgument;
                          theform.submit();
                        }

}