<!--
cyc=28;conception=new Date();dms=60*60*24*1000;function date_due(){var d=parseInt(document.getElementById('day').value);var m=parseInt(document.getElementById('month').value);var y=parseInt(document.getElementById('year').value);cyc=parseInt(document.getElementById('cycle').value);var dinfo=new Date();dinfo.setDate(d);dinfo.setMonth(m-1);dinfo.setFullYear(y);dinfo.setTime(dinfo.getTime()+((cyc*dms)-dms*14));conception.setTime(dinfo.getTime());document.getElementById('conception').value=format(dinfo);var datedue=new Date();datedue.setTime(dinfo.getTime()+dms*266);document.getElementById('due').value=format(datedue);var time=new Date();var timepassed=Math.round((time.getTime()-dinfo.getTime())/dms);document.getElementById('pregtime').value=""+Math.floor(timepassed/7)+" weeks, "+Math.floor(timepassed%7)+" days";dinfo.setTime(dinfo.getTime()+dms*70);}function weeks(){date_due();var d=parseInt(document.getElementById('day1').value);var m=parseInt(document.getElementById('month1').value);var y=parseInt(document.getElementById('year1').value);var date=new Date();date.setDate(d);date.setMonth(m-1);date.setFullYear(y);var timepassed=Math.round((date.getTime()-conception.getTime())/dms);document.getElementById('weeks1').value=""+Math.floor(timepassed/7)+" weeks, "+Math.floor(timepassed%7)+" days";}function date_conc(){date_due();var d=parseInt(document.getElementById('day2').value);var m=parseInt(document.getElementById('month2').value);var y=parseInt(document.getElementById('year2').value);var date=new Date();date.setDate(d);date.setMonth(m-1);date.setFullYear(y);date.setTime(date.getTime()-((cyc*dms)-dms*14)-dms*267);document.getElementById('date3').value=format(date);}function format(date){var month=new Array("January","February","March","April","May","June","July","August","September","October","November","December");return(""+month[date.getMonth()]+" "+date.getDate()+", "+date.getFullYear());}
-->