function sprachwahl(text)
{ document.all.sprachwahltext.innerText=text; }

function download(link,breite,hoehe)
{
    var links = (screen.width/2) - (breite/2);
    var oben = (screen.height/2) - (hoehe/2);

    DL = window.open(link, "DOWNLOAD", "width="+breite+",height="+hoehe+",top="+oben+",left="+links+",scrollbars=0,resizable=0");

    window.setTimeout('DL.close();', 3000);
}

function zeile(status,id)
{
    if (status == 1)    { document.getElementById(id).style.backgroundColor="#888888"; }
    if (status == 0)    { document.getElementById(id).style.backgroundColor=""; }
}



<!-- TEXTFORMATIERUNG -->
function storeCaret(textEl)
{
	if(textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}
function textformat(art,feld)
{
	if (art == "fett")
	{ var opentag = "<b>"; var closetag = "</b>"; }
	else if (art == "kursiv")
	{ var opentag = "<i>"; var closetag = "</i>"; }
	else if (art == "unter")
	{ var opentag = "<u>"; var closetag = "</u>"; }
	else if (art == "liste")
	{ var opentag = "<li>"; var closetag = "</li>"; }
    else if (art == "linie")
	{ var opentag = "<hr color=\"\">"; var closetag = ""; }
    else if (art == "center")
	{ var opentag = "<center>"; var closetag = "</center>"; }
	else if (art == "rechts")
	{ var opentag = "<div align=\"right\">"; var closetag = "</div>"; }
	else if (art == "block")
	{ var opentag = "<div align=\"justify\">"; var closetag = "</div>"; }

    else if (art == "email")
	{
        var eingabe =  prompt("Bitte die eMail-Adresse eingeben.","");
        if (!eingabe) var eingabe = "";
        if(eingabe != "")   { var opentag = "<a href=\"mailto:"+eingabe+"\">"+eingabe; }
        else                { var opentag = "<a href=\"mailto:\">"; }
        var closetag =  "</a>";
    }

    else if (art == "www")
	{
        var eingabe =  prompt("Bitte die URL / den Link eingeben.","http://");
        if (!eingabe) var eingabe = "";
        if(eingabe != "")   { var opentag = "<a href=\""+eingabe+"\" target=\"_blank\">"+eingabe; }
        else                { var opentag = "<a href=\"http://\" target=\"_blank\">"; }
        var closetag = "</a>";
    }

    else if (art == "bild")
	{
        var eingabe =  prompt("Bitte die URL zum Bild eingeben.","http://");
        if (!eingabe) var eingabe = "";
        if(eingabe != "")   { var opentag = "<img src=\""+eingabe+"\" width=\"\" height=\"\" border=\"0\">"; }
        else                { var opentag = "<img src=\"http://\" width=\"\" height=\"\" border=\"0\">"; }
        var closetag = "";
    }

    else if (art == "farbe")
	{ var opentag = "<font color=\"\">"; var closetag = "</font>"; }
	else if (art == "gross")
	{ var opentag = "<font size=\"\">"; var closetag = "</font>"; }
	else if (art == "art")
	{ var opentag = "<font face=\"\">"; var closetag = "</font>"; }
    
	var selection = document.selection.createRange().text;
	if(selection)
	{ document.selection.createRange().text = opentag + selection + closetag; }
	else
	{    
	    var temp = feld;
	    var code = opentag + closetag;
	    if (temp.createTextRange && temp.caretPos)
		{
			var caretPos = temp.caretPos;
			caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == '' ? code : code;
		}
		else
		{ temp.value += code; }
	}
	feld.focus();
}
<!-- -->