//newwin = window.open('','win_img', 'width='+ y +',height='+ z +',resizable=no,fullscreen=no,channelmode=no,menubar=no,toolbar=no,location=no,scrollbars=no,status=yes,top=20,left=20,screenX=20,screenY=20');
	//newwin.focus();
function popup(y,z){
	altezza=screen.height-93;
	larghezza=screen.width-10;
	newwin=window.open('','win_img',"scrollbars=0,status=1,statusbar=1,toolbar=no,location=no,menubar=no,resizable=no,top=0,left=0,screenX=0,screenY=0,width="+larghezza+",height="+altezza);
	newwin.focus();
}