function	selectProvider(id)
{
	var correspondance = new Array();
	correspondance['twitter'] = 'formu_social';
	correspondance['skyrock'] = 'formu_social';
	correspondance['friendster'] = 'formu_social';
	correspondance['orkut'] = 'formu_social';
	correspondance['myspace'] = 'formu_social';
	correspondance['gmail'] = 'formu_webmail';
	correspondance['hotmail'] = 'formu_webmail';
	correspondance['linkedin'] = 'formu_webmail';
	correspondance['yahoo'] = 'formu_webmail';
	correspondance['aol'] = 'formu_webmail';
	
	var formElement = document.getElementById(correspondance[id]);
	formElement.provider.value = id;
}