function obreimatge(quinaes)
{
	Aon = Enllacos[quinaes];
	Ample = Amplades[quinaes];
	Alt = Alcades[quinaes];
	Instruccio = "finestra = window.open('" + Aon + "','nova_finestra','scrollbars = auto,toolbar = no,	directories = no,menubar = no, resizable = no,status = no, width = " + Ample + ",height = " + Alt + "');";
	eval(Instruccio);
}