var ref = escape(document.referrer);
var Qstring = '?cid=HLLW2704'+ ref;
var roiTrack = '<img src="https://reztrack.com/roi/' + Qstring;
var roiGo =  roiTrack+ '"  height="0" width="0">';
document.write(roiGo);

//written by matt d - calculates the mandatory check out date ont he fly
function getCheckOutDate(frm) {
	var thedate = frm.date.value;
	var days = frm.nnights.options[frm.nnights.selectedIndex].value
	if (thedate=="") return false;
	i1=thedate.indexOf('-');
	i2=thedate.indexOf('-',i1+1);
	thedate_y=thedate.substring(0,i1);
	thedate_m=thedate.substring(i1+1,i2);
	thedate_m -= 1;
	thedate_d=thedate.substring(i2+1);
	var d_ci=new Date(thedate_y,thedate_m,thedate_d);
	
	var dayLength=1*24*60*60*1000;
	var d_co = new Date(d_ci*1+dayLength*days);
	d_co_val = d_co.getFullYear() + "-" + (d_co.getMonth()+1) + "-" + d_co.getDate();
	frm.date2.value=d_co_val;
	
	frm.calArrivalDateField.value=frm.date.value
	frm.calDepartureDateField.value=frm.date2.value

	return true;
}