// prepare the form when the DOM is ready 
$(document).ready(function() { 
						   
    var options = { 
        target:        '#eventList',   // target element(s) to be updated with server response 
        beforeSubmit:  showRequest,  // pre-submit callback 
        success:       showResponse  // post-submit callback 
        // other available options: 
        //url:       url         // override for form's 'action' attribute 
        //type:      type        // 'get' or 'post', override for form's 'method' attribute 
        //dataType:  null        // 'xml', 'script', or 'json' (expected server response type) 
        //clearForm: true        // clear all form fields after successful submit 
        //resetForm: true        // reset the form after successful submit 
 
        // $.ajax options can be used here too, for example: 
        //timeout:   3000 
    }; 
 
    // bind to the form's submit event 
    $('#ajaxEventform').submit(function() { 
        // inside event callbacks 'this' is the DOM element so we first 
        // wrap it in a jQuery object and then invoke ajaxSubmit 
        $(this).ajaxSubmit(options); 
        // !!! Important !!! 
        // always return false to prevent standard browser submit and page navigation 
        return false; 
    }); 
	$('#ajaxEventform').submit();
}); 
 
// pre-submit callback 
function showRequest(formData, jqForm, options) { 
    // formData is an array; here we use $.param to convert it to a string to display it 
    // but the form plugin does this for you automatically when it submits the data 
    /* var queryString = $.param(formData); */
 
    // jqForm is a jQuery object encapsulating the form element.  To access the 
    // DOM element for the form do this: 
    // var formElement = jqForm[0]; 
 
    /* alert('About to submit: \n\n' + queryString);  */
	$('#eventListLoading').show();		
	$('#eventList').hide();
    // here we could return false to prevent the form from being submitted; 
    // returning anything other than false will allow the form submit to continue 
    return true; 
} 
 
// post-submit callback 
function showResponse(responseText, statusText, xhr, $form)  { 
    // for normal html responses, the first argument to the success callback 
    // is the XMLHttpRequest object's responseText property 
 
    // if the ajaxSubmit method was passed an Options Object with the dataType 
    // property set to 'xml' then the first argument to the success callback 
    // is the XMLHttpRequest object's responseXML property 
 
    // if the ajaxSubmit method was passed an Options Object with the dataType 
    // property set to 'json' then the first argument to the success callback 
    // is the json data object returned by the server 
 
   /*  alert('status: ' + statusText + '\n\nresponseText: \n' + responseText + 
        '\n\nThe output div should have already been updated with the responseText.');  */
	$('#eventListLoading').hide();		
	$('#eventList').fadeIn();   
} 
function checkAll(inputName, checkboxall, allowUncheck){
	if(checkboxall.checked==true){
	$("input:checked").each(function(){
		if(this.name==inputName){
		this.checked=false;
		}
   	});
	}else{
		/* do not allow to uncheck itself */
		if(allowUncheck==false){
			checkboxall.checked=true;
		}
	}
}