var styleToSelect;
        function onOk() {
            $get('Paragraph1').className = styleToSelect;
        }
        
        // Add click handlers for buttons to show and hide modal popup on pageLoad
        function pageLoad() {
            $addHandler($get("showModalPopupClientButton"), 'click', showModalPopupViaClient);
            $addHandler($get("hideModalPopupViaClientButton"), 'click', hideModalPopupViaClient);        
            
        }
        
        function showModalPopupViaClient(ev) {
            ev.preventDefault();
            var modalPopupBehavior = $find('programmaticModalPopupBehavior');
            modalPopupBehavior.show();
            
            
          
        }
        
        function hideModalPopupViaClient(ev) {
            ev.preventDefault();        
            var modalPopupBehavior = $find('programmaticModalPopupBehavior');
            modalPopupBehavior.hide();
        }