<SCRIPT LANGUAGE="JavaScript"> <!-- Begin function checkYear(year) { return (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) ? 1 : 0; } function leap(form) { year = form.year.value; var Check1 = parseFloat(year); for (var i = 0; i < year.length; i++) { var sLetterCheck1 = year.substring(i, i+1); if (sLetterCheck1 < "0" || sLetterCheck1 > "9") { alert("Enter a valid year."); form.year.focus(); form.year.select(); return; } } if (year < 1582) { form.result.value = ""; alert("البداية يجب ان تكون اكثر من 1581"); form.year.focus(); form.year.select(); return; } checkYear(year); if (!checkYear(year)) form.result.value = "ليست سنة كبيسة"; else form.result.value = "سنة كبيسة"; } function MakeArray(n) { if (n <= 0) { this.length = 0; return this; } this.length = n; for (var i = 1; i <= n; i++) { this[i] = 0; } return this; } var listArray = new MakeArray(160); var index = 0; function list(form) { startyear = form.startyear.value; endyear = form.endyear.value; var Check1 = parseFloat(startyear); var Check2 = parseFloat(endyear); for (var i = 0; i < startyear.length; i++) { var sLetterCheck1 = startyear.substring(i, i+1); if (sLetterCheck1 < "0" || sLetterCheck1 > "9") { alert("Enter a valid start year."); form.startyear.focus(); form.startyear.select(); return; } } for (var i = 0; i < endyear.length; i++) { var sLetterCheck2 = endyear.substring(i, i+1); if (sLetterCheck2 < "0" || sLetterCheck2 > "9") { alert("Enter a valid end year."); form.endyear.focus(); form.endyear.select(); return; } } if (startyear < 1582) { form.yearlist.value = ""; alert("البداية يجب ان تكون اكثر من 1581"); form.startyear.focus(); form.startyear.select(); return; } else if (endyear <= startyear) { form.yearlist.value = ""; alert("البداية يجب ان تكون اكبر من النهاية"); form.endyear.focus(); form.endyear.select(); return; } else { index = 0; for (var i=startyear; i <=endyear; i++) { if (checkYear(i)) { listArray[index] = i; index++; } } } var allYears; allYears = ""; for( i = 0; i < index; i++ ) { allYears += listArray[i] + "\r" + "\n"; form.yearlist.value = allYears; } } // End --> </script>

<p align="center"> </p> <form> <p align="center"> <font size="2" face="Tahoma" color="#FF0000">ادخل السنة واعرف هل هي كبيسة ام لا</font> <p align="center"> <font face="Tahoma" size="2"><font color="#0000FF">السنة <input type=text name=year size=4> </font><font color="#FF0000">>>> </font><font color="#0000FF"><input type=text name=result size=15> <br> </font> <br> <input type=button value="اضغط لتعرف" onClick="leap(this.form);" style="background-color: #3457E4; color: #FFFFFF; font-family: Tahoma; font-size: 8pt"> </font> <p align="center"> <font size="2" face="Tahoma" color="#FF0000">ادخل مدى معين من السنوات واعرف السنوات الكبيسة</font> <p align="center"> <font face="Tahoma" size="2"><font color="#0000FF"><input type=text name=startyear size=4> :البداية<br> <input type="text" name="endyear" size=4>:النهاية <br> </font> <br> <input type=button name=listyears value="قائمة السنوات الكبيسة" onClick="list(this.form);" style="background-color: #3457E4; color: #FFFFFF; font-family: Tahoma; font-size: 8pt"> <br> <textarea name=yearlist rows=10 cols=11>