// Array with required fields
var requiredFields = new Array(
	'naam', 'email', 'telefoon', 'onderwerp', 'vraag'
);

// Start functioningen when DOM is ready
$(document).ready( function()
{
	// Begin check when form is gettings submit
	$('a[rel="submit"]').click( function()
	{
		// Set status true by default
		var status = true;
		
		// Check all required fields
		for ( var i = 0; i < requiredFields.length; i++ )
		{
			// Get field
			var field = '#' + requiredFields[i];
			
			// If field is empty..
			if ( $(field).val() == '' || $(field).val() == 'Verplicht veld' )
			{
				// Make Colors red
				$(field).css( 'borderColor', '#C60C30' );
				$(field).css( 'color', '#C60C30' );
				
				// Add text 'Verplicht Veld'
				$(field).val( 'Verplicht veld' );
				
				// Set status false
				status = false;
			}
			else
			{
				// Make Colors normal
				$(field).css( 'borderColor', '#B7CAC6' );
				$(field).css( 'color', '#000' );
			}
		}
		
		// Submit form if the status is true
		if ( status ) document.steluwvraag.submit();
		
		// Stop further actions
		return false;
	});
	
});