var LeftPosition = (screen.width) ? (screen.width-515)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-350)/2 : 0;
function popinfo(url) {
	var r;
	r = window.open(url,"win1","scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,top="+TopPosition+",left="+LeftPosition+",x=1,y=1,width=515,height=350");
	r.focus();
}
function popwindow(url) {
	var r;
	r = window.open(url,"win1","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,left=1,top=1,x=1,y=1,width=270,height=230");
	r.focus();
}
function chiamaci(url) {
	var r;
	r = window.open(url,"chiamaci","scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,left=1,top=1,x=1,y=1,width=400,height=350");
	r.focus();
}