function check_contact()
{
	if(document.contact.elements['Naam'].value=='')
	{
		document.contact.elements['Naam'].style.backgroundColor='#edf3fa';
		document.contact.elements['Naam'].focus();
	}
	else if(document.contact.elements['Emailadres'].value=='')
	{
		document.contact.elements['Emailadres'].style.backgroundColor='#edf3fa';
		document.contact.elements['Emailadres'].focus();
	}
	else if(document.contact.elements['Code'].value=='')
	{
		document.contact.elements['Code'].style.backgroundColor='#edf3fa';
		document.contact.elements['Code'].focus();
	}
	else if(document.contact.elements['Bericht'].value=='')
	{
		document.contact.elements['Bericht'].style.backgroundColor='#edf3fa';
		document.contact.elements['Bericht'].focus();
	}
	else
	{
		document.contact.action = 'default.asp';
		document.contact.elements['Verzenden'].disabled = true;
		document.contact.submit();
	}
}

function check_exchange()
{
	if(document.contact.elements['Firma'].value=='')
	{
		document.contact.elements['Firma'].style.backgroundColor='#edf3fa';
		document.contact.elements['Firma'].focus();
	}
	else if(document.contact.elements['Naam'].value=='')
	{
		document.contact.elements['Naam'].style.backgroundColor='#edf3fa';
		document.contact.elements['Naam'].focus();
	}
	else if(document.contact.elements['Straat'].value=='')
	{
		document.contact.elements['Straat'].style.backgroundColor='#edf3fa';
		document.contact.elements['Straat'].focus();
	}
	else if(document.contact.elements['Nummer'].value=='')
	{
		document.contact.elements['Nummer'].style.backgroundColor='#edf3fa';
		document.contact.elements['Nummer'].focus();
	}
	else if(document.contact.elements['Postnummer'].value=='')
	{
		document.contact.elements['Postnummer'].style.backgroundColor='#edf3fa';
		document.contact.elements['Postnummer'].focus();
	}
	else if(document.contact.elements['Gemeente'].value=='')
	{
		document.contact.elements['Gemeente'].style.backgroundColor='#edf3fa';
		document.contact.elements['Gemeente'].focus();
	}
	else if(document.contact.elements['Land'].selectedIndex==0)
	{
		document.contact.elements['Land'].style.backgroundColor='#edf3fa';
		document.contact.elements['Land'].focus();
	}
	else if(document.contact.elements['Emailadres'].value=='')
	{
		document.contact.elements['Emailadres'].style.backgroundColor='#edf3fa';
		document.contact.elements['Emailadres'].focus();
	}
	else if(document.contact.elements['Telefoon'].value=='')
	{
		document.contact.elements['Telefoon'].style.backgroundColor='#edf3fa';
		document.contact.elements['Telefoon'].focus();
	}
	else if(document.contact.elements['BTW-nummer'].value=='')
	{
		document.contact.elements['BTW-nummer'].style.backgroundColor='#edf3fa';
		document.contact.elements['BTW-nummer'].focus();
	}
	else if(document.contact.elements['Domeinnaam'].value=='')
	{
		document.contact.elements['Domeinnaam'].style.backgroundColor='#edf3fa';
		document.contact.elements['Domeinnaam'].focus();
	}
	else if(document.contact.elements['Emailadres1'].value=='')
	{
		document.contact.elements['Emailadres1'].style.backgroundColor='#edf3fa';
		document.contact.elements['Emailadres1'].focus();
	}
	else if(document.contact.elements['Voornaam1'].value=='')
	{
		document.contact.elements['Voornaam1'].style.backgroundColor='#edf3fa';
		document.contact.elements['Voornaam1'].focus();
	}
	else if(document.contact.elements['Familienaam1'].value=='')
	{
		document.contact.elements['Familienaam1'].style.backgroundColor='#edf3fa';
		document.contact.elements['Familienaam1'].focus();
	}
	else if(document.contact.elements['Alias1'].value=='')
	{
		document.contact.elements['Alias1'].style.backgroundColor='#edf3fa';
		document.contact.elements['Alias1'].focus();
	}
	else
	{
		document.contact.action = 'default.asp';
		document.contact.elements['Verzenden'].disabled = true;
		document.contact.submit();
	}
}