function capaMAIN(opc)
{ 
	//cargamos el MAIN
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	//var url="inicio.html";
	var url=opc;
	URLgen=url;
	xmlHttp.onreadystatechange=stateMAIN;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
}
function capaTOP(opc)
{ 
	//cargamos el MAIN
	xmlHttp26=GetXmlHttpObject();
	if (xmlHttp26==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	//var url="inicio.html";
	var url=opc;
	URLgen=url;
	xmlHttp26.onreadystatechange=stateTOP;
	xmlHttp26.open("GET",url,true);
	xmlHttp26.send(null);
	
}
//*************************************************************************************************
//*************************************************************************************************
/*function stateMAIN() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("main").innerHTML=xmlHttp.responseText;
	}
	else
	{ 
		document.getElementById("main").innerHTML='<div align=center><img src=load.gif ></div>';
	}
}*/