  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 = "s19_20/images/opcant_bn.jpg";

  	isimgper.galopc1_ov = new Image();

  	isimgper.galopc1_ov.src = "s19_20/images/opcant_c.jpg";

  

  	isimgper.galopc2_df = new Image();

  	isimgper.galopc2_df.src = "s19_20/images/opcmed_bn.jpg";

  	isimgper.galopc2_ov = new Image();

  	isimgper.galopc2_ov.src = "s19_20/images/opcmed_c.jpg";

  	

  	isimgper.galopc3_df = new Image();

  	isimgper.galopc3_df.src = "s19_20/images/opcs17_bn.jpg";

  	isimgper.galopc3_ov = new Image();

  	isimgper.galopc3_ov.src = "s19_20/images/opcs17_c.jpg";

  	

  	isimgper.galopc4_df = new Image();

  	isimgper.galopc4_df.src = "s19_20/images/opcnap_bn.jpg";

  	isimgper.galopc4_ov = new Image();

  	isimgper.galopc4_ov.src = "s19_20/images/opcnap_c.jpg";

  	

  	isimgper.galopc5_df = new Image();

  	isimgper.galopc5_df.src = "s19_20/images/opcesc_bn.jpg";

  	isimgper.galopc5_ov = new Image();

  	isimgper.galopc5_ov.src = "s19_20/images/opcesc_c.jpg";

  	

  	isimgper.galopc6_df = new Image();

  	isimgper.galopc6_df.src = "s19_20/images/opcgca_bn.jpg";

  	isimgper.galopc6_ov = new Image();

  	isimgper.galopc6_ov.src = "s19_20/images/opcgca_c.jpg";

  	

  	isimgper.galopc7_df = new Image();

  	isimgper.galopc7_df.src = "s19_20/images/opcs18_bn.jpg";

  	isimgper.galopc7_ov = new Image();

  	isimgper.galopc7_ov.src = "s19_20/images/opcs18_c.jpg";

  

  

  	

  	isimgtitulo = new Object();

                            

  	isimgtitulo.titmenugal_00 = new Image();

  	isimgtitulo.titmenugal_00.src = "s19_20/images/titopc0.jpg";

 

    isimgtitulo.titmenugal_01 = new Image();

  	isimgtitulo.titmenugal_01.src = "s19_20/images/titopcant.jpg";

  	

  	isimgtitulo.titmenugal_02 = new Image();

  	isimgtitulo.titmenugal_02.src = "s19_20/images/titopcmed.jpg";

  	

  	isimgtitulo.titmenugal_03 = new Image();

  	isimgtitulo.titmenugal_03.src = "s19_20/images/titopcs17.jpg";

  	

  	isimgtitulo.titmenugal_04 = new Image();

  	isimgtitulo.titmenugal_04.src = "s19_20/images/titopcnap.jpg";

  	

  	isimgtitulo.titmenugal_05 = new Image();

  	isimgtitulo.titmenugal_05.src = "s19_20/images/titopcesc.jpg";

  	

  	isimgtitulo.titmenugal_06 = new Image();

  	isimgtitulo.titmenugal_06.src = "s19_20/images/titopcgca.jpg";

  	

  	isimgtitulo.titmenugal_07 = new Image();

  	isimgtitulo.titmenugal_07.src = "s19_20/images/titopcs18.jpg";

  	

  	

  	isimgvolver = new Object();

  	

  	isimgvolver.imgvol_df = new Image();

  	isimgvolver.imgvol_df.src = "s19_20/images/volver.jpg";

  	isimgvolver.imgvol_ov = new Image();

  	isimgvolver.imgvol_ov.src = "s19_20/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_pantalla(){
  alert('k');
  menupagina2.style.display='none';
} 

function showhide(what){

  ini_escala();

   if(what.style.display=='none'){

      what.style.display='';

    }

}  



  

function showhide2(what){
  
  menupagina1.style.display='none';

  menupagina2.style.display='none';

   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');

}


