var isNetscape = (document.layers) ? true : false;
var isOpera = (navigator.userAgent.toLowerCase ().indexOf ("opera") != -1);
var isIe = (document.all && !isOpera) ? true : false;
var isGaleon = (navigator.userAgent.toLowerCase ().indexOf ("galeon") != -1);
var isMozilla = (document.getElementById && !isIe && !isOpera && !isGaleon) ? true : false;


var insert_text = '';
var insert_id = -1;

function str_encode(str)
{
  if (typeof encodeURIComponent == "function")
    return encodeURIComponent(str);
  else
    return "";
}

function get_selection() {

  
  var selection = "";
  if (window.getSelection)
  	selection += window.getSelection();
  else if (document.getSelection)
  	selection += document.getSelection();  	
  else
    selection += document.selection.createRange().text;
   
  //selection = selection.replace(/\n/gi, "<br />");
  insert_text = selection;
  //insert_text = str_encode(selection);
}

document.body.onmouseup = get_selection;