function Search(submit, root) {

  form = document.getElementById("frm_search");
  if (form.edt_search_text.value == "") {
    alert('Please enter search text');
    form.edt_search_text.focus();
    if (submit)
      return false;
  } else {
    re = /[^A-Za-z0-9]/g;
    expression = form.edt_search_text.value.replace(re, "_");
    document.location = root + 'search/' + expression;
    if (submit)
      return false;
  }
}

function redraw(image_id, path) {
	img = document.getElementById(image_id);
	//img.src='http://localhost/captcha.jpg?rnd='+Math.random();
	img.src=path+'?rnd='+Math.random();
	return true;
}