function popup(url, winname) {
	finestra = window.open(url, winname, 'scrollbars,resizable,menubar,toolbar,directories,location,status');
	finestra.focus();
	return false;
}

function dim_popup(url, winname, width,	height, left, top) {
	args='width='+ width +',height='+height+',left='+left+',top='+top+
	',location=0,menubar=0,scrollbars=1,resizable=1,status=0,titlebar=1,toolbar=0,hotkeys=0';
	
	finestra = window.open(url, winname, args); 
	finestra.focus();
	return false;
}