Código:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>Ingreso de Sumario</title> </head> <body background="fondo_2.jpg"> <script type="text/javascript"> function validarnum(e) { tecla = (document.all) ? e.keyCode : e.which; if (tecla==8) return true; patron =/[0-9]/; te = String.fromCharCode(tecla); return patron.test(te); } function zero(){ if (form1.fest.value==''){ form1.fest.value='0';}} function valSep(oTxt){ var bOk = false; bOk = bOk || ((oTxt.value.charAt(2) == "-") && (oTxt.value.charAt(5) == "-")); return bOk; } function finMes(oTxt){ var nMes = parseInt(oTxt.value.substr(3, 2), 10); var nAno = parseInt(oTxt.value.substr(6), 10); var nRes = 0; switch (nMes){ case 1: nRes = 31; break; case 2: nRes = 28; break; case 3: nRes = 31; break; case 4: nRes = 30; break; case 5: nRes = 31; break; case 6: nRes = 30; break; case 7: nRes = 31; break; case 8: nRes = 31; break; case 9: nRes = 30; break; case 10: nRes = 31; break; case 11: nRes = 30; break; case 12: nRes = 31; break; } return nRes + (((nMes == 2) && (nAno % 4) == 0)? 1: 0); } function valDia(oTxt){ var bOk = false; var nDia = parseInt(oTxt.value.substr(0, 2), 10); bOk = bOk || ((nDia >= 1) && (nDia <= finMes(oTxt))); return (bOk); } function valMes(oTxt){ var bOk = false; var nMes = parseInt(oTxt.value.substr(3, 2), 10); bOk = bOk || ((nMes >= 1) && (nMes <= 12)); return (bOk); } function valAno(oTxt){ var bOk = true; var nAno = oTxt.value.substr(6); bOk = bOk && ((nAno.length == 2) || (nAno.length == 4)); if (bOk){ for (var i = 0; i < nAno.length; i++){ bOk = bOk && esDigito(nAno.charAt(i)); } } return (bOk); } function valFecha(oTxt){ var bOk = true; if (oTxt.value != ""){ bOk = bOk && (valAno(oTxt)) && (valMes(oTxt)) && (valDia(oTxt)) && (valSep(oTxt)); return (bOk); } else { return false;} } function validarfechas(){ var valida=false; valida=valFecha(document.form1.fres); if (valida==false){alert("Fecha de Resolucion Invalida");return false;} alert ("salio del if"); valida=valFecha(document.form1.finicio); alert ("paso a validar la de inicio"); if (valida==false){alert("Fecha de Inicio Invalida");return false;} return valida; } </script> <table border="0"><form name="form1" action="form2.php" onSubmit="return validarfechas()"method="post"> <tr><td>Numero de resolucion:</td><td><input type="text" name="nres" onkeypress="return validarnum(event)"></td></tr> <tr><td>Fecha de resolucion:</td><td><input type="text" name="fres">(dd-mm-aaaa)</td></tr> <tr><td>Procedimiento:</td><td><select name="proc"><option value="I">Investigacion Sumario</option><option value="A">sumario administrativo</option></select></td></tr> <tr><td>Ingrese Nombre Fiscal involucrado:</td><td><input type="text" name="nfisc"></td></tr> <tr><td>Ingrese Nombre Funcionario Involucrado:</td><td><input type="text" name="ninv"></td></tr> <tr><td>Hecho a Investigar:</td><td><input type="text" name="hecho"></td></tr> <tr><td>Inicio del sumario:</td><td><input type="text" name="finicio">(dd-mm-aaaa)</td></tr> <tr><td>Dias festivos durante el proceso:</td><td><input type="text" name="fest" onkeypress="return validarnum(event)" value="0" onkeyup="zero()"></td></tr> <tr><td>(sin contar sabados y domingos)</td></tr> <tr><td>Observaciones:</td><td><input type="text" name="obs"></td></tr> <tr><td><input type="submit" value="Enviar"><td><input type="button" onClick="history.back(-1)" value="Cancelar"></td></tr></form></table> </body> </html>