var browser_url = "/scripts/swampy/";

var fieldName = null;
var wind = null;

function openSwampyBrowser(field_name, url, type, win) {
  wind = win;
  fieldName = field_name;

  var height = 550;
  var width = 870;

  var top=Math.round((screen.height-height)/2);
  var left=Math.round((screen.width-width)/2);

  var params = "top="+top+",left="+left+",width="+width+",height="+height+",buttons=no,scrollbars=no,location=no,menubar=no,resizable=no,status=no,directories=no,toolbar=no";
  
  var wnd = window.open(browser_url, "", params);
  
  wnd.focus();
}

function insertURL(url) {
  wind.document.getElementById(fieldName).value = url;
}