Widget:Test Legible

<button type="submit" id="calcular">Analizar</button>

<script> function ObtenerTexto() {

   if (0 < $(".maintext").val().length) {       

      //Crawford field part
       $(".crawfordfield").val('Procesando. Ten paciencia....');        
       var crawfordfieldA = new XMLHttpRequest;
       crawfordfieldA.onreadystatechange = function() {
           4 == crawfordfieldA.readyState && 200 == crawfordfieldA.status && ($(".crawfordfield").val(crawfordfieldA.responseText))
       };
       var crawfordfieldB = new FormData;
       crawfordfieldB.append("textParameter", $(".maintext").val()); 
       crawfordfieldB.append("fieldParameter", "crawfordfield");    
       crawfordfieldA.open("POST", "/cgi/fieldPost.py");
       crawfordfieldA.send(crawfordfieldB);   

       $(".legibilidadcrawfordfield").val('Procesando. Ten paciencia....');        
       var legibilidadcrawfordfieldA = new XMLHttpRequest;
       legibilidadcrawfordfieldA.onreadystatechange = function() {
           4 == legibilidadcrawfordfieldA.readyState && 200 == legibilidadcrawfordfieldA.status && ($(".legibilidadcrawfordfield").val(legibilidadcrawfordfieldA.responseText))
       };
       var legibilidadcrawfordfieldB = new FormData;
       legibilidadcrawfordfieldB.append("textParameter", $(".maintext").val()); 
       legibilidadcrawfordfieldB.append("fieldParameter", "legibilidadcrawfordfield");    
       legibilidadcrawfordfieldA.open("POST", "/cgi/fieldPost.py");
       legibilidadcrawfordfieldA.send(legibilidadcrawfordfieldB);

       //Huerta field part
       $(".huertafield").val('Procesando. Ten paciencia....');        
       var huertafieldA = new XMLHttpRequest;
       huertafieldA.onreadystatechange = function() {
           4 == huertafieldA.readyState && 200 == huertafieldA.status && ($(".huertafield").val(huertafieldA.responseText))
       };
       var huertafieldB = new FormData;
       huertafieldB.append("textParameter", $(".maintext").val()); 
       huertafieldB.append("fieldParameter", "huertafield");    
       huertafieldA.open("POST", "/cgi/fieldPost.py");
       huertafieldA.send(huertafieldB);     
       

   }

}

document.getElementById("calcular").addEventListener("click", function(a) {

    ObtenerTexto();
    a.preventDefault()

});

</script>