function focusTextBox(elem)
{
    elem.originalBorder = elem.style.border;
    elem.style.border = "solid 1px #4c7e59";
    
    elem.style.backgroundColor = elem.originalBackgroundColor;
}

function blurTextBox(elem)
{
    elem.style.border = elem.originalBorder;
    
    if (elem.value != "")
    {
        elem.originalBackgroundColor = elem.style.backgroundColor;
        elem.style.backgroundColor = "#efefef";
    }
}

function confirmDelete()
{
    return confirm("Willst du das wirklich löschen?");
}

function showInsert(src, dest)
{
    src.style.display = "none";
    dest.style.display = "block";
}

function insert(input, aTag, eTag) 
{
  input = document.getElementById(input);
  input.focus();
  /* für Internet Explorer */
  if(typeof document.selection != "undefined") 
  {
    /* Einfügen des Formatierungscodes */
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    /* Anpassen der Cursorposition */
    range = document.selection.createRange();
    if (insText.length == 0) {
      range.move("character", -eTag.length);
    } else {
      range.moveStart("character", aTag.length + insText.length + eTag.length);      
    }
    range.select();
  }
  /* für neuere auf Gecko basierende Browser */
  else if(typeof input.selectionStart != "undefined")
  {
    /* Einfügen des Formatierungscodes */
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    input.value = input.value.substr(0, start) + aTag + insText + eTag + input.value.substr(end);
    /* Anpassen der Cursorposition */
    var pos;
    if (insText.length == 0) {
      pos = start + aTag.length;
    } else {
      pos = start + aTag.length + insText.length + eTag.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  }
  /* für die übrigen Browser */
  else
  {
    /* Abfrage der Einfügeposition */
    var pos;
    var re = new RegExp("^[0-9]{0,3}$");
    while(!re.test(pos)) {
      pos = prompt("Einfügen an Position (0.." + input.value.length + "):", "0");
    }
    if(pos > input.value.length) {
      pos = input.value.length;
    }
    /* Einfügen des Formatierungscodes */
    var insText = prompt("Bitte geben Sie den zu formatierenden Text ein:");
    input.value = input.value.substr(0, pos) + aTag + insText + eTag + input.value.substr(pos);
  }
}

function preload_menu_gfx()
{
    var imgsrc = new Array("blau", "gruen", "lila", "mint", "orange", "rosa", "rot");
    for (var i = 0; i < imgsrc.length; i++)
    {
        var i = new Image();
        i.src = "styles/gfx06/menu_hover_" + imgsrc[i] + ".gif";
        i = new Image();
        i.src = "styles/gfx06/menu_hover_" + imgsrc[i] + "_post.gif";
        i = new Image();
        i.src = "styles/gfx06/menu_hover_" + imgsrc[i] + "_pre.gif";
    }
}