function isValidEmail(formname){
  validRegExp = /^[a-z0-9\._-]+@[a-z0-9\.-]+\.[a-z]{2,4}$/i;
  
  strEmail = document.getElementById('clubEmail').value;
   // search email text for regular exp matches
	if (strEmail.search(validRegExp) == -1) 
	{
		alert('A valid e-mail address is required.\nPlease correct and retry');
		return false;
	} 

	if (document.getElementById('clubEmail').value != document.getElementById('clubEmailsec').value) 
	{
		alert('Retype e-mail in field, not matching');
		return false;
	} 

	if(document.getElementById('teamLeader').value == "" || document.getElementById('teamLeaderMob').value == "")
	{
		alert('Please enter team leader and contact');
		return false;
	}

	if(!document.getElementById('teamColor').selectedIndex)
	{
		alert('Please select color');
		return false;
	}

	if(!document.getElementById('classID').selectedIndex)
	{
		alert('Please select class');
		return false;
	}
/*
	if(!document.getElementById('boende').selectedIndex)
	{
		alert('Please select type of lodging');
		return false;
	}
*/
	if(!document.getElementById('terms').checked)
	{
		alert('Please accept terms');
		return false;
	}

	subbutt = document.getElementById('submitbutton1');
	subbutt.disabled=true;
	return true;
}