function getActiveText(selectedtext) { 
  //text = (document.all) ? document.selection.createRange().text : document.getSelection();
  text = "";
  if (selectedtext.createTextRange) {  
    text = document.selection.createRange().text
    selectedtext.caretPos = document.selection.createRange().duplicate();  
  } else if (window.getSelection) {
    var input = document.form1.body;
    text = input.value.substring(input.selectionStart, input.selectionEnd);
  } else {
    text = document.getSelection();
  }
  return true;
}

function AddText(NewCode) {
  var input = document.form1.body;
  if (input.createTextRange && input.caretPos) {
    var caretPos = input.caretPos;
    caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? NewCode + ' ' : NewCode;
  } else if (window.getSelection && input.setSelectionRange) {
    var len = NewCode.length;
    var posStart = input.selectionStart;
    var posEnd = input.selectionEnd;
    input.value = input.value.substr(0, posStart) + NewCode + input.value.substr(posEnd);
    input.setSelectionRange(posStart+len, posStart+len); 
  } else {
    input.value += NewCode;
  }
  setfocus();
}