+/*
+ Normalize date format using previous input value to guess missing date elements.
+ Helps fast date input field change with only single or double numbers (for day or day-and-month fragments)
+*/
+function fix_date(date, last)
+{
+ var regex = /(\d+)[^\d]*(\d+)*[^\d]*(\d+)*/;
+ var dat = regex.exec(last);
+ var cur = regex.exec(date);
+ var day, month, year;
+
+// TODO: user.date as default?
+// TODO: user.datesys
+ if (!dat || !cur) return date;
+
+ if (cur[3] != undefined) // full date entered
+ dat = cur;
+
+ if (user.datefmt == 0) // set defaults
+ {
+ day = dat[2]; month = dat[1]; year = dat[3];
+ } else if (user.datefmt == 1)
+ {
+ day = dat[1]; month = dat[2]; year = dat[3];
+ } else {
+ day = dat[3]; month = dat[2]; year = dat[1];
+ }
+
+ if (cur[2] == undefined) // only day entred
+ day = cur[1];
+ else // day + month
+ if (cur[2] != undefined)
+ {
+ if (user.datefmt==1)
+ { day = cur[1]; month = cur[2] }
+ else
+ { day = cur[2]; month = cur[1] }
+ }
+
+ if (day<10) day = '0'+parseInt(day, 10);
+ if (month<10) month = '0'+parseInt(month, 10);
+ if (year<100) year = year<60 ? (2000+parseInt(year,10)) : (1900+parseInt(year,10));
+
+// console.info(day,month,year)
+ if (user.datefmt == 0)
+ return month+user.datesep+day+user.datesep+year;
+ if (user.datefmt == 1)
+ return day+user.datesep+month+user.datesep+year;
+ return year+user.datesep+month+user.datesep+day;
+}
+