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Comprobar fecha

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  1. /**--------------------------
  2. //* Validate Date Field script- By JavaScriptKit.com
  3. //* For this script and 100s more, visit http://www.javascriptkit.com
  4. //* This notice must stay intact for usage
  5. ---------------------------**/
  6.  
  7. /*
  8.  * Retocado por Sendoa Portuondo para un funcionamiento más personalizado
  9.  */
  10. function checkdate(dia, mes, anio){
  11.     var validformat = /^\d{2}\/\d{2}\/\d{4}$/ //Basic check for format validity
  12.     var returnval = false;
  13.  
  14.     if(!validformat.test(input.value)){
  15.         return false;
  16.     }else{ //Detailed check for valid date ranges
  17.         var monthfield = mes;
  18.         var dayfield = dia;
  19.         var yearfield = anio;
  20.         var dayobj = new Date(yearfield, monthfield-1, dayfield);
  21.         if ((dayobj.getMonth()+1!=monthfield)||(dayobj.getDate()!=dayfield)||(dayobj.getFullYear()!=yearfield)){
  22.             return false;
  23.         }else{
  24.             return true;
  25.         }
  26.     }
  27.  
  28.     return true;
  29. }

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