function popup() {
a=window.open('','info',"scrollbars=0,status=0,statusbar=0,toolbar=no,location=no,menubar=no,width=450,height=350,resizable=no,top=20,left=20,screenX=20,screenY=20");
a.focus();
}

function zoom() {
b=window.open('','zoo',"scrollbars=0,status=0,toolbar=no,location=no,menubar=no,width=435,height=603,resizable=no,top=20,left=20,screenX=20,screenY=20");
b.focus();
}

function mappa() {
c=window.open('','mappa',"scrollbars=0,status=0,statusbar=0,toolbar=no,location=no,menubar=no,width=482,height=542,resizable=no,top=20,left=20,screenX=20,screenY=20");
c.focus();
}

function popup_stu() {
d=window.open('','studente',"scrollbars=0,status=0,statusbar=0,toolbar=no,location=no,menubar=no,width=480,height=465,resizable=no,top=20,left=20,screenX=20,screenY=20");
d.focus();
}

function zoom2(x,y,w) {
	e=window.open('',w,"scrollbars=0,status=0,toolbar=no,location=no,menubar=no,width="+x+",height="+y+",resizable=no,top=20,left=20,screenX=20,screenY=20");
	e.focus();
}