/****************************************************************************** ' Filename: dateScript.js ' Author: Shahram Darvishi ' E-Mail: Sloveir@yahoo.com (please mention persianPopupCalendar in subject) ' Project: Persian Popup Calendar ' ============================================================================= ' Copyright (c) 2006, Shahram Darvishi. All rights reserved. ' ' Permission is hereby granted, free of charge, to any person obtaining a copy ' of this script and associated files, to deal in the Software without restriction ' including without limitation the rights. ' to use, copy, modify, merge, publish, distribute, sublicense, and/or sell ' copies of the Script, and to permit persons to whom the Software is ' furnished to do so, subject to the following conditions: ' ' The above copyright notice and this permission notice shall be included in ' all copies or substantial portions of the Scripts: ' ' THE SCRIPT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ' IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ' FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ' AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ' LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ' OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ' SOFTWARE. ' ' ============================================================================= ' Thanks to: ' - Xin Yang (http://www.yxscripts.com) for his "Popup Calendar(Window)" ' which I have used as base kernel of this script. ' - Mehdi Vojoudi (http://www.vojoudi.com) for his Solar Date Conversion algorithms ' ============================================================================= ' ' I will really appreciate if you send me any changed, fixed bugs or ' extended version of this Script by you to help to extend the script. ' Also I will have the pleasure to receive any reported bug and suggestions. ' ' You can use following fields to record your name to prove your ' Development participate in Persian Popup Calendar Script project. ' ' ============================================================================= ' Date Person Description ' ---------- ---------------- --------------------------------- ' 30.03.2006 Shahram Darvishi Initial Version ' *******************************************************************************/ var dkSolar = 0; var dkGregorian = 1; function IsLeapYear(DateKind, Year) { if (DateKind == dkSolar) return ((((Year + 38) * 31) % 128) <= 30); else return (((Year % 4) == 0) && (((Year % 100) != 0) || ((Year % 400) == 0))); } function GregorianToSolar(gYear, gMonth, gDay) { var y = 1; var i = 0; if (gDay == 0 && gMonth == 0 && gYear == 0) { dDate = new Date(); gDay = dDate.getDate(); gMonth = dDate.getMonth() + 1; gYear = dDate.getYear(); } if (gYear == 0) gYear = 2000; if (gYear < 100) gYear += 1900; for(i = 0; i < 3000; i += 4) if (gYear == i) y = 2; for(i = 1; i < 3000; i += 4) if (gYear == i) y = 3; if (y == 1) { gYear -= ( (gMonth < 3) || ((gMonth == 3) && (gDay < 21)) ) ? 622 : 621; switch (gMonth) { case 1: (gDay < 21) ? (gMonth = 10, gDay += 10):(gMonth = 11, gDay -= 20); break; case 2: (gDay < 20) ? (gMonth = 11, gDay += 11):(gMonth = 12, gDay -= 19); break; case 3: (gDay < 21) ? (gMonth = 12, gDay += 9):(gMonth = 1, gDay -= 20); break; case 4: (gDay < 21) ? (gMonth = 1, gDay += 11):(gMonth = 2, gDay -= 20); break; case 5: case 6: (gDay < 22) ? (gMonth -= 3, gDay += 10):(gMonth -= 2, gDay -= 21); break; case 7: case 8: case 9: (gDay < 23) ? (gMonth -= 3, gDay += 9):(gMonth -= 2, gDay -= 22); break; case 10:(gDay < 23) ? (gMonth = 7, gDay += 8):(gMonth = 8, gDay -= 22); break; case 11: case 12:(gDay < 22)? (gMonth -= 3, gDay += 9):(gMonth -= 2, gDay -= 21); break; default: break; } } if (y == 2) { gYear -= ((gMonth < 3) || ((gMonth == 3) && (gDay < 20))) ? 622 : 621; switch (gMonth) { case 1: (gDay < 21) ? (gMonth = 10, gDay += 10):(gMonth = 11, gDay -= 20); break; case 2: (gDay < 20) ? (gMonth = 11, gDay += 11):(gMonth = 12, gDay -= 19); break; case 3: (gDay < 20) ? (gMonth = 12, gDay += 10):(gMonth = 1, gDay -= 19); break; case 4: (gDay < 20) ? (gMonth = 1, gDay += 12):(gMonth = 2, gDay -= 19); break; case 5: (gDay < 21) ? (gMonth = 2, gDay += 11):(gMonth = 3, gDay -= 20); break; case 6: (gDay < 21) ? (gMonth = 3, gDay += 11):(gMonth = 4, gDay -= 20); break; case 7: (gDay < 22) ? (gMonth = 4, gDay += 10):(gMonth = 5, gDay -= 21); break; case 8: (gDay < 22) ? (gMonth = 5, gDay += 10):(gMonth = 6, gDay -= 21); break; case 9: (gDay < 22) ? (gMonth = 6, gDay += 10):(gMonth = 7, gDay -= 21); break; case 10:(gDay < 22) ? (gMonth = 7, gDay += 9):(gMonth = 8, gDay -= 21); break; case 11:(gDay < 21) ? (gMonth = 8, gDay += 10):(gMonth = 9, gDay -= 20); break; case 12:(gDay < 21) ? (gMonth = 9, gDay += 10):(gMonth = 10, gDay -= 20); break; default: break; } } if (y == 3) { gYear -= ( (gMonth < 3) || ((gMonth == 3) && (gDay < 21)) ) ? 622 : 621; switch (gMonth) { case 1: (gDay < 20) ? (gMonth = 10, gDay += 11):(gMonth = 11, gDay -= 19); break; case 2: (gDay < 19) ? (gMonth = 11, gDay += 12):(gMonth = 12, gDay -= 18); break; case 3: (gDay < 21) ? (gMonth = 12, gDay += 10):(gMonth = 1, gDay -= 20); break; case 4: (gDay < 21) ? (gMonth = 1, gDay += 11):(gMonth = 2, gDay -= 20); break; case 5: case 6: (gDay < 22) ? (gMonth -= 3, gDay += 10):(gMonth -= 2, gDay -= 21); break; case 7: case 8: case 9: (gDay < 23) ? (gMonth -=3, gDay += 9):(gMonth -= 2, gDay -= 22); break; case 10:(gDay < 23) ? (gMonth = 7, gDay += 8):(gMonth = 8, gDay -= 22); break; case 11: case 12:(gDay < 22) ? (gMonth -= 3, gDay += 9):(gMonth -= 2, gDay -= 21); break; default: break; } } var retDate = new Date(gYear, gMonth - 1, gDay); return retDate; } function SolarToGregorian(sYear, sMonth, sDay) { if (sDay == 0 && sMonth == 0 && sYear == 0) { dDate = new Date(); return dDate; } //'******************* Leap year if (sYear == 1378) { if (sMonth == 12 && sDay == 10) { sYear = 2000; sMonth = 2; sDay = 29; return; } if (sMonth == 12 && sDay > 10) sDay --; } else if (sYear == 1379) { sDay --; if (sDay == 0) { sMonth --; if (sMonth > 0 && sMonth < 7) sDay = 31; if (sMonth > 6) sDay = 30; if (sMonth == 0){ sDay = 29; sMonth = 12; sYear --; } } } //'******************* if (sMonth < 10 || (sMonth == 10 && sDay < 11)) sYear += 621; else sYear += 622; switch (sMonth) { case 1: (sDay < 12) ? (sMonth = 3, sDay += 20) : (sMonth = 4, sDay -= 11); break; case 2: (sDay < 11) ? (sMonth = 4, sDay += 20) : (sMonth = 5, sDay -= 10); break; case 3: (sDay < 11) ? (sMonth = 5, sDay += 21) : (sMonth = 6, sDay -= 10); break; case 4: (sDay < 10) ? (sMonth = 6, sDay += 21) : (sMonth = 7, sDay -= 9); break; case 5: case 6: case 8: (sDay < 10) ? (sMonth += 2, sDay += 22) : (sMonth += 3, sDay -= 9); break; case 7: (sDay < 9) ? (sMonth = 9, sDay += 22) : (sMonth = 10, sDay -= 8); break; case 9: (sDay < 10) ? (sMonth = 11, sDay += 21) : (sMonth = 12, sDay -= 9); break; case 10: (sDay < 11) ? (sMonth = 12, sDay += 21) : (sMonth = 1, sDay -= 10); break; case 11: (sDay < 12) ? (sMonth = 1, sDay += 20) : (sMonth = 2, sDay -= 11); break; case 12: (sDay < 10) ? (sMonth = 2, sDay += 19) : (sMonth = 3, sDay -= 9); break; } var retDate = new Date(sYear, sMonth, sDay - 1); return retDate; }