function insertAtCursor(myField, myValue) {
  //IE support
  if (document.selection) {
    myField.focus();
    sel = document.selection.createRange();
    sel.text = myValue;
  }
  //MOZILLA/NETSCAPE support
  else if (myField.selectionStart || myField.selectionStart == '0') {
    var startPos = myField.selectionStart;
    var endPos = myField.selectionEnd;
    myField.value = myField.value.substring(0, startPos)
                  + myValue
                  + myField.value.substring(endPos, myField.value.length);
  } else {
    myField.value += myValue;
  }
}


$(document).ready(function() {
	
	$("#gastenboek").submit(function() {
		$("#gastenboek").validate()
		
		if($("#gastenboek").valid()){
			return true;
		} else {
			return false;
		}
		
	});
	
	if($(".gastenboek_div").attr("id")=='dicht'){
		$(".gastenboek_div").hide(); //bij laden van de pagina verstoppen we de div
		$(".gastenboek_div :input").attr('disabled', true); // we disable de input boxen in de div
	}
	
	$("#berichttype").click(function () { 
      $(".gastenboek_div").slideToggle("slow" , function (){
      	if ($(".gastenboek_div").is(":hidden")) {
				  $(".gastenboek_div :input").attr('disabled', true);
				  $("#berichttype").css({"background":"url(images/berichtsturen_down.png)"});
				} else {
					$(".gastenboek_div :input").attr('disabled', false);
					$("#berichttype").css({"background":"url(images/berichtsturen_up.png)"});
				}
      }); 
    });
	
});