function writeto(to,domaine)
{
	switch (domaine)
	{
		case 'bom' :
			sld='bestofmedia.com';
			break;
		case 'ppc' :
			sld='presence-pc.com'; 
			break;
		case 'rs' :
			sld='resellerstore.fr'; 
			break;
		default:
			sld=domaine; 
			break;
	} 
    document.write('<a href="&#109;a&#105;&#108;&#116;&#111;&#58;' + to + '&#64' + sld + '" class="writeto">'); 
  document.write(''+ to +'&#64'+ sld +'</a>');
}