function gotopage(pagename) {

document.frm_dsp.hid_from.value=document.frm_dsp.hid_goto.value;
document.frm_dsp.hid_goto.value=pagename;
document.frm_dsp.submit();

}

function kontakt_sendmail() {

var error_msg = "The following error(s) occurred:\n\n";
var error_exists = 0;
var warn_msg = "The following warning(s) occurred:\n\n";
var warn_exists = 0;

if (trim(document.frm_dsp.txt_fornavn.value) == "") {
  error_exists = 1;
  error_msg = error_msg + "Fornavn is required.\n";
}

if (trim(document.frm_dsp.txt_efternavn.value) == "") {
  error_exists = 1;
  error_msg = error_msg + "Efternavn is required.\n";
}

if (trim(document.frm_dsp.txt_tele.value) == "") {
  error_exists = 1;
  error_msg = error_msg + "Tele is required.\n";
}

if (trim(document.frm_dsp.txt_email.value) == "") {
  error_exists = 1;
  error_msg = error_msg + "Email is required.\n";
}

if (trim(document.frm_dsp.ta_besked.value) == "") {
  error_exists = 1;
  error_msg = error_msg + "Besked is required.\n";
}

if (warn_exists && error_exists) {
  alert(warn_msg);
  alert(error_msg);
  return false;
}
else if (warn_exists && !error_exists) {
  alert(warn_msg);
  return true;
}
else if (!warn_exists && error_exists) {
  alert(error_msg);
  return false;
}

gotopage('kontakttak');
return true;

}

function trim(s)
{
	return rtrim(ltrim(s));
}

function ltrim(s)
{
	var l=0;
	while(l < s.length && s[l] == ' ')
	{	l++; }
	return s.substring(l, s.length);
}

function rtrim(s)
{
	var r=s.length -1;
	while(r > 0 && s[r] == ' ')
	{	r-=1;	}
	return s.substring(0, r+1);
}