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Oct 2nd, 2014
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  1. <html xmlns="http://www.w3.org/1999/xhtml">
  2. <head>
  3. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  4. <title>Untitled Document</title>
  5. <script language="javascript" type="text/javascript">
  6. function emitir(){
  7. var numero = document.forms["formEmitir"].numero.value;
  8. var dataini = document.forms["formEmitir"].dataini.value;
  9. var datafim = document.forms["formEmitir"].datafim.value;
  10. if(!numero && !dataini && !datafim){
  11. alert("Preencha com o número do contrato ou as datas!");
  12. } else {
  13. if(numero && (dataini || datafim)){
  14. alert("Preencha apenas o número OU as datas!");
  15. } else if(numero) {
  16. alert("Será emitido através do número do contrato...");
  17. } else if(dataini && datafim){
  18. alert("Será emitido através das datas...");
  19. } else {
  20. alert("Preencha ambas as datas de início e fim!");
  21. }
  22. }
  23. }
  24. </script>
  25. </head>
  26.  
  27. <body>
  28. <form name="formEmitir">
  29. <fieldset>
  30. <legend>Seu Contrato</legend>
  31. <p>Pelo número: <input type="text" name="numero" /></p>
  32. <p>Pela data: de <input type="text" name="dataini" /> a <input type="text" name="datafim" /></p>
  33. <p><button onclick="emitir();">Emitir</button></p>
  34. </fieldset>
  35. </form>
  36. </body>
  37. </html>
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