function paste_strinL(startTag, endTag) {
    if (!(endTag)) endTag="";


    var myField=document.forms['guestForm'].elements['zprava'];

    //IE support
    if (document.selection) {

        myField.focus();
        sel = document.selection.createRange();
        sel.text = startTag+sel.text+endTag;
//        myField.focus();
    }

    //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)
                      + startTag
                      + myField.value.substring(startPos, endPos)
                      + endTag
                      + myField.value.substring(endPos, myField.value.length);
        myField.focus();
        myField.selectionStart = startPos + startTag.length;
        myField.selectionEnd = endPos + startTag.length;
    } else {
        myField.value += myValue;
        myField.focus();
    }
}