Cross browser select text

gistfile1.js

function selectText(element) {
  
  var text = document.getElementById(element);

  if ($.browser.msie) {
    var range = document.body.createTextRange();
    range.moveToElementText(text);
    range.select();

  } else if ($.browser.mozilla || $.browser.opera) {
    var selection = window.getSelection();
    var range = document.createRange();
    range.selectNodeContents(text);
    selection.removeAllRanges();
    selection.addRange(range);

  } else if ($.browser.safari) {
    var selection = window.getSelection();
    selection.setBaseAndExtent(text, 0, text, 9999);
  }

}