/*
* Disable field for customserId if new customer-field is
* checked.
**/
function changeCustomerStatus()
{
	checkbox = document.getElementById('ny_kunde');
	customerIdField = document.getElementById('kundenummer');
	
	if(checkbox.checked)
	{ 				
		customerIdField.style.backgroundColor = '#cccccc';
		customerIdField.disabled = "disabled";		
	}
	else
	{		
		customerIdField.style.backgroundColor = "#ffffff";
		customerIdField.disabled = false;
		customerIdField.focus();
	}
		
}