function displayunicode(e,concoma){
var unicode=e.keyCode? e.keyCode : e.charCode
if (concoma==true) 
{
    if (((unicode == 44) || (unicode == 46)) || ((unicode < 48  && (unicode != 8)) || (unicode > 57)))
    {return false;}
}
else{
    if (((unicode == 46) ||((unicode < 48) && (unicode != 44) && (unicode != 8)) || (unicode > 57)))
    {return false;}
    }
}


function GetVideoObject(movieName)
{
  if (window.document[movieName]) 
  {
      return window.document[movieName];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
      {return document.embeds[movieName];}
  }
  else 
  {
    return document.getElementById(movieName);
  }
 }
 
 
function displaynumeros(e)
{
 var unicode=e.keyCode? e.keyCode : e.charCode
 if ((unicode < 48 && (unicode != 8))||(unicode > 57)) 
    {return false;}
}

function displayfechas(e)
{
 var unicode=e.keyCode? e.keyCode : e.charCode
 if (((unicode < 48) && (unicode != 47) && (unicode != 8))|| (unicode > 57))
    {return false;}
}