Numeric Month (1-12):

Day of Month (1-31):

Year (eg. 1960):

Date of Birth:

Day of Week:

<script LANGUAGE="JavaScript"> <!-- begin script //General Array Function function MakeArray(n) { this.length = n; for (var i = 1; i <=n; i++) { this[i] = 0; } } //Initialize Days of Week Array days = new MakeArray(7); days[0] = "Saturday" days[1] = "Sunday" days[2] = "Monday" days[3] = "Tuesday" days[4] = "Wednesday" days[5] = "Thursday" days[6] = "Friday" //Initialize Months Array months = new MakeArray(12); months[1] = "January" months[2] = "February" months[3] = "March" months[4] = "April" months[5] = "May" months[6] = "June" months[7] = "July" months[8] = "August" months[9] = "September" months[10] = "October" months[11] = "November" months[12] = "December" //Day of Week Function function compute(form) { var val1 = parseInt(form.day.value, 10) if ((val1 < 0) || (val1 > 31)) { alert("Day is out of range") } var val2 = parseInt(form.month.value, 10) if ((val2 < 0) || (val2 > 12)) { alert("Month is out of range") } var val2x = parseInt(form.month.value, 10) var val3 = parseInt(form.year.value, 10) if (val3 < 1900) { alert("You're that old!") } if (val2 == 1) { val2x = 13; val3 = val3-1 } if (val2 == 2) { val2x = 14; val3 = val3-1 } var val4 = parseInt(((val2x+1)*3)/5, 10) var val5 = parseInt(val3/4, 10) var val6 = parseInt(val3/100, 10) var val7 = parseInt(val3/400, 10) var val8 = val1+(val2x*2)+val4+val3+val5-val6+val7+2 var val9 = parseInt(val8/7, 10) var val0 = val8-(val9*7) form.result1.value = months[val2]+" "+form.day.value +", "+form.year.value form.result2.value = days[val0] } // end script --> </script> <h3><i>On what day of the week were you born?</i></h3> <b> <p>Enter your birthday</b> (then hit the &quot;Update&quot; button):</p> <form> <p>Numeric Month (1-12): <input TYPE="text" NAME="month" SIZE="2"> </p> <p>Day of Month (1-31): <input TYPE="text" NAME="day" SIZE="2"> </p> <p>Year (eg. 1960): <input TYPE="text" NAME="year" SIZE="4"> </p> <p><input TYPE="button" VALUE="Update" ONCLICK="compute(this.form)"> <input TYPE="reset" VALUE="Clear"> </p> <p>Date of Birth: <input TYPE="text" NAME="result1" SIZE="18"> </p> <p>Day of Week: <input TYPE="text" NAME="result2" SIZE="18"> </p> </form> <p align="center"><font face="arial" size="-2">This free script provided by</font><br> <font face="arial, helvetica" size="-2"><a href="http://javascriptkit.com">JavaScript Kit</a></font></p>