function validateFormnyhedsbrev()
{
	if ('val_1370')
	{
		if (validate_email(document.getElementById('val_1370'),document.getElementById('val_1370').value+ " Ungültige E-mailadresse!")==false)
  		{
			document.getElementById('val_1370').focus();
			return false
		}
	}
}
function validate_email(field,alerttxt)
{
	with (field)
	{
		apos=value.indexOf("@")
		dotpos=value.lastIndexOf(".")
		if (apos<1||dotpos-apos<2) 
  		{
			alert(alerttxt);return false
		}
		else 
		{
			return true
		}
	}
}
function showHide(divID)
{
if(document.getElementById('hideblock'+divID).style.display=='block')
{
	document.getElementById('hideblock'+divID).style.display='none'
}
else
{
	document.getElementById('hideblock'+divID).style.display='block'
}
}