// JScript File

var lastFocusedControlId = "";
function focusHandler(e) {    
  document.activeElement = e.originalTarget;
}

function appInit() {    
  if (typeof(window.addEventListener) !== "undefined") {        
    window.addEventListener("focus", focusHandler, true);    
  }    
  Sys.WebForms.PageRequestManager.getInstance().add_pageLoading(pageLoadingHandler);    
  Sys.WebForms.PageRequestManager.getInstance().add_pageLoaded(pageLoadedHandler);
}

function pageLoadingHandler(sender, args) {    
  lastFocusedControlId = typeof(document.activeElement) === "undefined"         
    ? "" : document.activeElement.id;
}

function focusControl(targetControl) {    
  if (Sys.Browser.agent === Sys.Browser.InternetExplorer) {        
    var focusTarget = targetControl;        
    if (focusTarget && (typeof(focusTarget.contentEditable) !== "undefined")) {            
        oldContentEditableSetting = focusTarget.contentEditable;            
        focusTarget.contentEditable = false;        
    }        
    else {            
        focusTarget = null;        
    }        
    targetControl.focus();        
    if (focusTarget) {            
        focusTarget.contentEditable = oldContentEditableSetting;        
    }    
  }    
  else {        
    targetControl.focus();    
  }
}

function pageLoadedHandler(sender, args) {    
    if (typeof(lastFocusedControlId) !== "undefined" && lastFocusedControlId != "") {        
        var newFocused = $get(lastFocusedControlId);        
        if (newFocused) {            
            focusControl(newFocused);        
        }    
    }
}

Sys.Application.add_init(appInit);