function calcQueenCel (x) {
	var eggDate = document.getElementById(x).value;
	var DateFields = eggDate.split("-");
	var eggDateD = DateFields[0];
	var eggDateM = DateFields[1];
	var eggDateY = DateFields[2];
	
	var eggDate = Date.parse(eggDateM + " " + eggDateD + ", " + eggDateY);
	
	var capDate = new Date(eggDate + (60*60*24*8*1000)); // this is the milliseconds
	var emergeDate = new Date(eggDate + (60*60*24*16*1000)); // this is the milliseconds
	
	capDate = dateFormat(capDate,"dd-mmm-yyyy");
	emergeDate = dateFormat(emergeDate,"dd-mmm-yyyy");
	document.QueenCel.cappedDate.value = capDate;
	document.QueenCel.emergeDate.value = emergeDate;
	}