var ddName = 'DD';
var mmName = 'MM';
var yyName = 'YY';
function check_form_fert() {
with (document.mainform) {
if (!YY.value || !MM.value || !DD.value || !cycle[cycle.selectedIndex].value) {
alert('Please specify a month, day, year, and cycle.');
return false;	
} else {
if (!valid_date_fert(YY.value, MM.value, DD.value)) {
alert('Please enter a valid date in the format month, day, year.');
return false;	
} else {
submit();
}
}
}
}
function num_in_range(num, start, end) {
num = parseInt(num);
if ((num < start) || (num > end) || (isNaN(num))) {
return false;	
}
return true;
}
function valid_date_fert(year, month, day) {
month = month.replace(/^0/gi,'');
month = parseInt(month);
day = day.replace(/^0/gi,'');
day = parseInt(day);
if (!(year && month && day)) {
return false;
}
if (!num_in_range(year, 0, 99)) {
return false;
}
if (!num_in_range(month, 1, 12)) {
return false;
}
var end_day;
if (month == 2) {
end_day = (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28);
} else if ((month == 4) || (month == 6) || (month == 9) || (month == 11)) {
end_day = 30;
} else {
end_day = 31;
}
if (!num_in_range(day, 1, end_day)) {
return false;
}
return true;
}	
function DateCalc(arg1, month, day) {
if (arguments.length == 1) {
this.jsdate = new Date(arg1);
this.year = this.jsdate.getFullYear();
this.month = this.jsdate.getMonth() + 1;
this.day = this.jsdate.getDate();
} else {
this.year = arg1;
this.month = month;
this.day = day;
this.jsdate = new Date(arg1, month - 1, day);
}
this.str = this.day + '/' + this.month + '/' + this.year.toString().substr(2,2);
this.ms = 24 * 60 * 60 * 1000;
this.add_delta_days = DateCalc_add_delta_days;
}
function DateCalc_add_delta_days(days) {
var milliseconds = this.jsdate.valueOf();
milliseconds += (days * this.ms);
var newdate = new DateCalc(milliseconds);
return newdate;
}
function updateIDs(){
mx_date_LastUTC = new Date();
monthARR = mx_date_MonthDayList('MLong');
calOBJ = document.getElementById('calID');
if (qf[mmName] != null) {
month = qf[mmName];
month = month.replace(/^0/gi,'');
} else {
month = dateSTR.getMonth()+1;
}
if(month<10) month= '0' + month;
mcore_selectItem(mmName,month,'mainform');
if (qf[ddName] != null) {
day = qf[ddName];
day = day.replace(/^0/gi,'');
} else {
day = dateSTR.getDate();
}
if(day<10) day = '0' + day;
mcore_selectItem(ddName,day,'mainform');
if (qf[yyName] != null) {
year = qf[yyName];
year = parseInt(year);
} else {
year = dateSTR.getYear();
}
if(year<1000) year+=1900;
year += '';
mcore_selectItem(yyName,year.substring(2,4),'mainform');
if (qf['cycle'] != '') {
cycle = qf['cycle'];
cycle += '';
mcore_selectItem('cycle',cycle,'mainform');
}
}
function returnDate(strDate) {
toggleDisp('calID','hidden');
dateSTR = new Date(strDate);
month = dateSTR.getMonth()+1;
if(month<10) month= '0' + month;
mcore_selectItem(mmName,month,'mainform');
day = dateSTR.getDate();
if(day<10) day = '0' + day;
mcore_selectItem(ddName,day,'mainform');
year = dateSTR.getYear();
if(year<1000) year+=1900;
year += '';
mcore_selectItem(yyName,year.substring(2,4),'mainform');
}
function clearForm(item) {
item.clear();
}