  isvolver = new Object();
  isvolver[0] = "_df";
  isvolver[1] = "_ov";
  
  isaper = new Object();
  isaper[0] = "_df";
  isaper[1] = "_ov";
  
  istitper = new Object();
  istitper[0] = "_00";
  istitper[1] = "_01";
  istitper[2] = "_02";
  istitper[3] = "_03";
  istitper[4] = "_04";
  istitper[5] = "_05";
  istitper[6] = "_06";
  istitper[7] = "_07";
  
  if (document.images) { // ensure browser can do JavaScript rollovers.
    
  	isimgper = new Object();
  
  	isimgper.galopc1_df = new Image();
  	isimgper.galopc1_df.src = "s16_17/images/opcant_bn.jpg";
  	isimgper.galopc1_ov = new Image();
  	isimgper.galopc1_ov.src = "s16_17/images/opcant_c.jpg";
  
  	isimgper.galopc2_df = new Image();
  	isimgper.galopc2_df.src = "s16_17/images/opcmed_bn.jpg";
  	isimgper.galopc2_ov = new Image();
  	isimgper.galopc2_ov.src = "s16_17/images/opcmed_c.jpg";
  	
  	isimgper.galopc3_df = new Image();
  	isimgper.galopc3_df.src = "s16_17/images/opcs17_bn.jpg";
  	isimgper.galopc3_ov = new Image();
  	isimgper.galopc3_ov.src = "s16_17/images/opcs17_c.jpg";
  	
  	isimgper.galopc4_df = new Image();
  	isimgper.galopc4_df.src = "s16_17/images/opcnap_bn.jpg";
  	isimgper.galopc4_ov = new Image();
  	isimgper.galopc4_ov.src = "s16_17/images/opcnap_c.jpg";
  	
  	isimgper.galopc5_df = new Image();
  	isimgper.galopc5_df.src = "s16_17/images/opcesc_bn.jpg";
  	isimgper.galopc5_ov = new Image();
  	isimgper.galopc5_ov.src = "s16_17/images/opcesc_c.jpg";
  	
  	isimgper.galopc6_df = new Image();
  	isimgper.galopc6_df.src = "s16_17/images/opcgca_bn.jpg";
  	isimgper.galopc6_ov = new Image();
  	isimgper.galopc6_ov.src = "s16_17/images/opcgca_c.jpg";
  	
  	isimgper.galopc7_df = new Image();
  	isimgper.galopc7_df.src = "s16_17/images/opcs18_bn.jpg";
  	isimgper.galopc7_ov = new Image();
  	isimgper.galopc7_ov.src = "s16_17/images/opcs18_c.jpg";
  
  
  	
  	isimgtitulo = new Object();
                            
  	isimgtitulo.titmenugal_00 = new Image();
  	isimgtitulo.titmenugal_00.src = "s16_17/images/titopc0.jpg";
 
    isimgtitulo.titmenugal_01 = new Image();
  	isimgtitulo.titmenugal_01.src = "s16_17/images/titopcant.jpg";
  	
  	isimgtitulo.titmenugal_02 = new Image();
  	isimgtitulo.titmenugal_02.src = "s16_17/images/titopcmed.jpg";
  	
  	isimgtitulo.titmenugal_03 = new Image();
  	isimgtitulo.titmenugal_03.src = "s16_17/images/titopcs17.jpg";
  	
  	isimgtitulo.titmenugal_04 = new Image();
  	isimgtitulo.titmenugal_04.src = "s16_17/images/titopcnap.jpg";
  	
  	isimgtitulo.titmenugal_05 = new Image();
  	isimgtitulo.titmenugal_05.src = "s16_17/images/titopcesc.jpg";
  	
  	isimgtitulo.titmenugal_06 = new Image();
  	isimgtitulo.titmenugal_06.src = "s16_17/images/titopcgca.jpg";
  	
  	isimgtitulo.titmenugal_07 = new Image();
  	isimgtitulo.titmenugal_07.src = "s16_17/images/titopcs18.jpg";
  	
  	
  	isimgvolver = new Object();
  	
  	isimgvolver.imgvol_df = new Image();
  	isimgvolver.imgvol_df.src = "s16_17/images/volver.jpg";
  	isimgvolver.imgvol_ov = new Image();
  	isimgvolver.imgvol_ov.src = "s16_17/images/volver_p.jpg";
  	
  
  }

function cambiar_imagen(id, act)
{
	if(document.images) document.images[id].src = eval( "isimgvolver." + id + isvolver[act] + ".src");
}


function abreFoto(ruta)
{
i1 = new Image;
i1.src = ruta;
html = '<html><head><title>Imagen</title></head>';
html += '<body leftmargin=0 marginwidth=0 topmargin=0 marginheight=0>';
html += '<center><img src="'+ruta+'" border=0 name="Foto" ';
html += 'onLoad="window.resizeTo(document.Foto.width+12,document.Foto.height+31)">';
html += '</center></body></html>';
popupImage = window.open('','_blank','scrollbars=0,resizable=1');
popupImage.document.open();
popupImage.document.write(html);
popupImage.document.close();
}

function ini_escala(){
  menu54outline.style.display='none';
  menu5402outline.style.display='none';
  menu70outline.style.display='none';
  menu90outline.style.display='none';
  menuBustooutline.style.display='none';
} 
  
function showhide(what){
  ini_escala();
   if(what.style.display=='none'){
      what.style.display='';
    }
}  


function cambiar_per(id, act,tit)
{
  var id2="titmenugal";
	if(document.images) document.images[id].src = eval( "isimgper." + id + isaper[act] + ".src");
	if(document.images) document.images[id2].src = eval( "isimgtitulo." + id2 + istitper[tit] + ".src");
}

function detfig(nombre)
{
        v=window.open(nombre,'fig','scrollbars=yes,toolbar=no,directories=no,menubar=no,resizable=no,width=800,height=600,screenX=1,screenY=1');
}

