function mostrar(imatge,amplada,altura,text)
{
	LeftPosition = (screen.width) ? (screen.width-amplada)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-altura)/2 : 0;
	finesnota=window.open("finestra.php?imatge="+escape(imatge)+"&text="+escape(text),"Cataleg","toolbar=0,location=0,directories=0,scrollbars=0,menubar=0,status=0,resizable=0,width="+amplada+",height="+altura+",left="+LeftPosition+",top="+TopPosition+""); 
}
function subarticle(id,amplada,altura,imatge)
{
	LeftPosition = (screen.width) ? (screen.width-amplada)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-altura)/2 : 0;
	finesnota=window.open("subarticle.php?id="+escape(id)+"&imatge="+escape(imatge),"Cataleg","toolbar=0,location=0,directories=0,scrollbars=0,menubar=0,status=0,resizable=0,width="+amplada+",height="+altura+",left="+LeftPosition+",top="+TopPosition+""); 
}
function mesinfo(id,amplada,altura)
{
	LeftPosition = (screen.width) ? (screen.width-amplada)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-altura)/2 : 0;
	finesnota=window.open("mesinfo.php?id="+escape(id),"Cataleg","toolbar=0,location=0,directories=0,scrollbars=0,menubar=0,status=0,resizable=0,width="+amplada+",height="+altura+",left="+LeftPosition+",top="+TopPosition+""); 
}