function openFile(url){
	positionx=screen.width/2-(screen.width/2 - 100);
	positiony=screen.height/2-(screen.height/2 - 100);
	
	window.open(url,"boe", "width="+(screen.width - 300)+",height="+(screen.height - 400)+",resizable=yes,menubar=yes,toolbar=yes,status=no,location=no, left=" + positionx + ",top=" + positiony + ",scrollbars").focus()
}

function validateForm(f) {
	// Must be 56
	if (f.question.value != '56') {
		AutoValidator.invalidate(f.question);
		return false;
	}
	return AutoValidator.validate(f);
}

/**
 * File with several functions for ajax usage
 *
 */

function calculate()
{
  var visualPrestatie = 
    (($('#prestatieU').val().length != 0) ? $('#prestatieU').val() + "." : "" ) +
    (($('#prestatieM').val().length != 0) ? $('#prestatieM').val() + "." : "" ) +
    (($('#prestatieS').val().length != 0) ? $('#prestatieS').val() : "0" );

  var hours = parseInt($('#prestatieU').val().replace(",", ".")) * 3600;
  var minutes = parseInt($('#prestatieM').val().replace(",", ".")) * 60;
  var seconds = parseFloat($('#prestatieS').val().replace(",", "."));

  var handtijd = 'off';
  if($("#handtijd").length > 0)
  {
    if($("#handtijd").is(":checked"))
      handtijd = 'on';
  }

  var prestatie = (isNaN(hours) ? 0: hours) + (isNaN(minutes) ? 0: minutes) + (isNaN(seconds) ? 0: seconds);
  if(prestatie == "NaN" || prestatie == 0) prestatie = "empty";
  
  visualPrestatie = visualPrestatie.replace(",", ".");

  $.post("/ranglijst/bereken/punten/scoretype/" + $('#scoreType').val() + 
    "/category/" + $('#category').val() + 
    "/type/" + $('#type').val() + 
    "/onderdeel/" + $('#onderdeel').val() +
    "/prestatie/" + prestatie +
    "/vprestatie/" + visualPrestatie +
    "/ht/" + handtijd,
    {}, 
    function(xml) {
	    processPointsFormResponse(xml);
	  }
  );
	return false;
}

function processPointsFormResponse(text){
  $('#fullcolumn').replaceWith(text);
}

 
// 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); 
 
    // 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)  { 
    // 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.'); 
}