/*

Simulación de MaxLength para TEXTAREA

Activación

<TEXTAREA rows="3" cols="32" onKeyDown="return maximo(this,event,250)" class="TextBox" id="TEXTAREA1" name="TEXTAREA1" runat="server">

</TEXTAREA>

*/



function maximo(obj,e,max) 
{

    tecla = (document.all) ? e.keyCode : e.which;

    if(obj.value.length >= max && tecla != 8 && tecla != 46 && !(tecla >= 33 && tecla <= 40))

    return false; 

}

function noCaracteresFecha(field, evt)  
 {

      var keyCode = evt.which ? evt.which : evt.keyCode;
    if ((keyCode >= 37  && keyCode <= 40)  (keyCode > 47  && keyCode < 58) || (keyCode > 95  && keyCode < 106) || keyCode == 47 || keyCode==111 || keyCode==46 || keyCode==8 || keyCode==9)
    {
       return true;
    }
    else
    {
       return false;
    }

}