var XMLHttpRequestObject = false;
	if (window.XMLHttpRequest) {
		XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}
	function muestra(des_id,url,param){
		if(XMLHttpRequestObject) {
			var obj = document.getElementById(des_id);
			XMLHttpRequestObject.open("GET", url+"?"+param+"&sid="+Math.random());
			XMLHttpRequestObject.onreadystatechange = function()
			{
				if (XMLHttpRequestObject.readyState == 0){
					obj.innerHTML = 'CARGANDO DATOS';
				}
				if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
					obj.innerHTML = XMLHttpRequestObject.responseText;
				}
			}
			XMLHttpRequestObject.send(null);
		}
	}
	

function formulario(pagina,alto, ancho, top, left){
			if (top==null) top=20;
			if (left==null) left=300;
			if (window.formu)
  				formu.close();
				formu=open(pagina, "formu", "toolbar=NO, top="+top+", left="+left+", height="+alto+", width="+ancho+", scrollbars=0")
		}	

function formulario2(pagina,alto, ancho, top, left){
			if (top==null) top=20;
			if (left==null) left=300;
			if (window.formu2)
  				formu2.close();
				formu2=open(pagina, "formu2", "toolbar=NO, top="+top+", left="+left+", height="+alto+", width="+ancho+", scrollbars=0")
		}

function MM_controlSound(x, _sndObj, sndFile) { //v3.0
  var i, method = "", sndObj = eval(_sndObj);
  if (sndObj != null) {
    if (navigator.appName == 'Netscape') method = "play";
    else {
      if (window.MM_WMP == null) {
        window.MM_WMP = false;
        for(i in sndObj) if (i == "ActiveMovie") {
          window.MM_WMP = true; break;
      } }
      if (window.MM_WMP) method = "play";
      else if (sndObj.FileName) method = "run";
  } }
  if (method) eval(_sndObj+"."+method+"()");
  else window.location = sndFile;
}