/**
	 * Popup oauth window...
	 */
	function _displayOAuthLogin() {
		var windowWidth = 820;
		var windowHeight = 450;
		var centerWidth = (window.screen.width - windowWidth) / 2;
		var centerHeight = (window.screen.height - windowHeight) / 2;
		
		//show window...
  	var _window = window.open("oauth.login.php", 'oauth_window', 'status=0, menubar=0' + 
  		',width=' + windowWidth + 
      ',height=' + windowHeight + 
      ',left=' + centerWidth + 
      ',top=' + centerHeight);
      
    _window.focus();
	  //set success callback method...
	  window.chartly_oauth_success = function(){
	  	window.chartly_oauth_success = null;
	  	window.location.href = window.location.href;
	  };
	}