function changeTable(stTable){
  if (stTable=="Rental"){
    document.all["rowRental"].className="expandido";
    document.all["rowRetail"].className="contraido";
    document.all["rowTrade"].className="contraido";
    mostrar("renta",rn_bl); 
    mostrar("venta",vt_ng);
    mostrar("inte",in_ng);
  }
  else{
    if (stTable=="Retail"){
      document.all["rowRental"].className="contraido";
      document.all["rowRetail"].className="expandido";
      document.all["rowTrade"].className="contraido";
      mostrar("renta",rn_ng); 
      mostrar("venta",vt_bl);
      mostrar("inte",in_ng);
    }
    else{
      document.all["rowRental"].className="contraido";
      document.all["rowRetail"].className="contraido";
      document.all["rowTrade"].className="expandido";
      mostrar("renta",rn_ng); 
      mostrar("venta",vt_ng);
      mostrar("inte",in_bl);
    }	
  }
}

  var rn_ng=new Image(); rn_ng.src='images/renta.gif'; 
  var rn_bl=new Image(); rn_bl.src='images/renta2.gif'; 
  var vt_ng=new Image(); vt_ng.src='images/compra.gif'; 
  var vt_bl=new Image(); vt_bl.src='images/compra2.gif'; 
  var in_ng=new Image(); in_ng.src='images/intercambia.gif'; 
  var in_bl=new Image(); in_bl.src='images/intercambia2.gif'; 

  function mostrar(nombreImagen,o){ 
    document.images[nombreImagen].src=o.src; 
  } 


  function fnOpenPopUpWithClick(page){
    window.open(page,'25','width=592,height=442,resizable=0,Scrollbars=0,titlebar=0,Status=0,valign=middle,align=center,location=NO');	  
  }