function popup(id){
	var opts = 'scrollbars=yes,resizable=no,menubar=yes,status=no';
	var w = 700;
	var h = 600;
	var t = (screen.height - h)/2;
	var l = (screen.width - w)/2;
	var pw = window.open('pop_up.php?id='+id,'ppw','width='+w+',height='+h+',top=50,left='+l+','+opts);
}
function popup_photo(img){
	var opts = 'scrollbars=yes,resizable=yes,menubar=no,status=no';
	var w = 600;
	var h = 400;
	var t = (screen.height - h)/2;
	var l = (screen.width - w)/2;
	var pw = window.open('popup_photo.php?img='+img,'photo','width='+w+',height='+h+',top='+t+',left='+l+','+opts);
}

function popup_diapo(diapo){
	var opts = 'scrollbars=yes,resizable=yes,menubar=no,status=no';
	var w = 600;
	var h = 350;
	var t = (screen.height - h)/2;
	var l = (screen.width - w)/2;
	var pw = window.open('popup_diapo.php'+(diapo != '' ? '?diapo='+diapo : ''),'photo','width='+w+',height='+h+',top='+t+',left='+l+','+opts);
}