function winPop(target, myW, myH, nm, sc, rs)
{	
	myleft = 0;
	mytop = 0;	
	window.open(target, nm, 'width='+myW+',height='+myH+',scrollbars='+sc+',resizable='+rs+',menubar=0,toolbar=0,status=0,location=0,directories=0,left='+myleft+',top='+mytop);
}
function centraFinestra()
{
	windowWidth=760;
	windowHeight=460;
	if (parseInt(navigator.appVersion) >= 4) window.moveTo((screen.width/2)-(windowWidth/2+10),(screen.height/2)-(windowHeight/2+20));
}