function openPren() {
	winWidth = 700;
	winHeight = 500;
	winOffX = (screen.width - winWidth - 22)/2;
	winOffY = (screen.height - winHeight)/2 - 30;
	winSpecs = "width="+winWidth+",height="+winHeight+",toolbar=0,menubar=0,scrollbars=1,resizable=1,location=0,directories=0,status=0,left=" + winOffX + ",top=" + winOffY;
	window.open("https://www.hoteleasyreservations.com/home/hotels/prenotazioni.asp?HOTEL="+document.all.HOTEL.options[document.all.HOTEL.selectedIndex].value+"&rhL=Y&HLANG="+document.all.HLANG.value+"&DTFROMG="+document.all.DTFROMG.value+"&DTFROMM="+document.all.DTFROMM.value+"&DTFROMA="+document.all.DTFROMA.value+"&DTTOG="+document.all.DTTOG.value+"&DTTOM="+document.all.DTTOM.value+"&DTTOA="+document.all.DTTOA.value,"prenotazioni",winSpecs);
	//showModalDialog("master.asp?V_ACTION="+vAction+"&ID_MAP="+idMap,"win"+vAction+"Map","resizable: yes; help: no; status: no; scroll: no; ");
}