var currentDate = new Date(); var currentYear = 1900 + currentDate.getYear();
						var dailyMS = 24*60*60*1000;
						var arrivalDate = new Date(currentDate.getTime());
						var departureDate = new Date(currentDate.getTime() + 1*dailyMS);
						var arrivalYear = 1900+arrivalDate.getYear(); 
						var arrivalMonth = 1+arrivalDate.getMonth(); var arrivalDay = arrivalDate.getDate();
						var departureYear = 1900+departureDate.getYear(); 
						var departureMonth = 1+departureDate.getMonth(); var departureDay = departureDate.getDate();
						var a=document.b_frm;
						if ((a.checkin_monthday.selectedIndex == 0) && (a.checkout_monthday.selectedIndex == 0)){
							a.checkin_monthday.options[arrivalDay-1].selected = true;
							a.checkout_monthday.options[departureDay-1].selected = true;
						}
					
						var frm = document.getElementById('b_frm');
							// create date object from checkin values
							// set date to 12:00 to avoid problems with one
							// date being wintertime and the other summertime
						var my = frm['b_checkin_month'].value.split("-");
						   var ci = new Date (my[0], my[1]-1, frm['b_checkin_day'].value, 12, 0, 0, 0);
					
							// create date object from checkout values
						 my = frm['b_checkout_month'].value.split("-");
						 var co = new Date (my[0], my[1]-1, frm['b_checkout_day'].value, 12, 0, 0, 0);
						if (ci >= co){
								co.setTime(ci.getTime() + 1000 * 60 * 60 * 24);
								frm['b_checkout_day'].value =  co.getDate();
								var com = co.getMonth()+1;
								frm['b_checkout_month'].value = co.getFullYear() + "-" + com;
						}