var b ="b"
function insertcode(tag, desc)
{
    // our textfield
    var textarea = document.getElementById("PersberInhoud");

    // our open tag
    var open = "<" + tag + ">";

    // our close tag
    var close = "</" + tag + ">";

    if(!textarea.setSelectionRange)
    {
        var selected = document.selection.createRange().text; 
        if(selected.length <= 0)
        { 
            // no text was selected so prompt the user for some text
            textarea.value += open + prompt("Vul hier de tekst in " + desc, "") + close;
        }
        else
        {
            // put the code around the selected text
            document.selection.createRange().text = open + selected + close; 
        }

    }
    else
    {
        // the text before the selection
        var pretext = textarea.value.substring(0, b.selectionStart);
        
        // the selected text with tags before and after
        var codetext = open + textarea.value.substring(b.selectionStart, b.selectionEnd) + close;

        // the text after the selection
        var posttext = textarea.value.substring(b.selectionEnd, textarea.value.length)
        
        // check if there was a selection
        if(codetext == open + close)
        {
            //prompt the user
            codetext = open + prompt("Vul hier de tekst in " + desc, "") + close;
        }

        // update the text field
        textarea.value = pretext + codetext + posttext;
    }

    // set the focus on the text field
    textarea.focus();
}
// inserts an image by prompting the user for the url
//function insertimage()
//{
    // our textfield
 //   var textarea = document.getElementById("DialoogInhoud");

    // our image
//    var image = "<img src='" + prompt("Please enter the url", "http://") + "' alt="" />";

//    if(!textarea.setSelectionRange)
//    {
        // get selected text
 //       var selected = document.selection.createRange().text; 

 //       if(selected.length <= 0)
  //      { 
            // no text was selected so add the image to the end
 //           textarea.value += image;
//        }
//        else
 //       {
            // replace the selection with the image
 //           document.selection.createRange().text = image; 
 //       }
 //   }
 //   else
//   {
        // the text before the selection
//        var pretext = textarea.value.substring(0, b.selectionStart);

        // the text after the selection
 //       var posttext = textarea.value.substring(b.selectionEnd, textarea.value.length)

        // update the text field
//        textarea.value = pretext + image + posttext;
//    }

    // set the focus on the text field
//    textarea.focus();
//}
// inserts a link by prompting the user for a url
function insertlink()
{
    // our textfield
    var textarea = document.getElementById("PersberInhoud");

    // our link
    var url = prompt("Vul een link in", "http://");
    var link = "<a href='" + url + "' target='_blank'>" + url + "</a>";

    if(!textarea.setSelectionRange)
    {
        // get selected text
        var selected = document.selection.createRange().text; 

        if(selected.length <= 0)
        { 
            // no text was selected so add the link to the end
            textarea.value += link;
        }
        else
        {
            // replace the selection with the link
            document.selection.createRange().text = link; 
        }
    }
    else
    {
        // the text before the selection
        var pretext = textarea.value.substring(0, b.selectionStart);

        // the text after the selection
        var posttext = textarea.value.substring(b.selectionEnd, textarea.value.length)

        // update the text field
        textarea.value = pretext + link + posttext;
    }
	 // set the focus on the text field
    textarea.focus();
}