function nothing () {
}
// Input field blanking
function Clear_Text( input ) {
  if (input.value == input.defaultValue){
    input.value = "";
  }
}
// Input field return default value
function Return_Text( input ) {
  if (input.value == ""){
    input.value = input.defaultValue;
  }
}


function loadContent(id, area) {
  $('#' + area).load('widgets/' + id);
}

function toggleresult(id) {
  if($("#loesung-block").css("display") == "none"){
    $("em", "a.blockspot-result-show").text("Lösung schließen");
    $("a.blockspot-result-show").attr('class','blockspot-result-hide');
  }
  else{
    $("em", "a.blockspot-result-hide").text("Lösung anzeigen");
    $("a.blockspot-result-hide").attr('class','blockspot-result-show');
  }
  $("#loesung-block").toggle();
}

function postupload() {
  $.post("blockspot/do_upload", { 
    subject: $('#blockspot-subject').val(), 
    content: $('#blockspot-up-desc').val(), 
    file1: $('#filename').val() 
  }, function (data) {
    loadContent('upload_danke');
  })
}