function TP_swapImgRestore() {
  var i,x,a=document.TP_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
	  x.src=x.oSrc;
}

function TP_preloadImages()
{ //v3.0
  var d=document;
	if(d.images)
	{
	  if(!d.TP_p)
		  d.TP_p=new Array();

    var i,j=d.TP_p.length,a=TP_preloadImages.arguments;

		for( i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0)
		  {
				d.TP_p[j]=new Image;
				d.TP_p[j++].src=a[i];
			}
	}
}

function TP_findObj(n, d)
{
  var p,i,x;

	if(!d) d=document;
	  if((p=n.indexOf("?"))>0&&parent.frames.length)
	  {
      d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
    }

  if(!(x=d[n])&&d.all)
	   x=d.all[n];

	for (i=0;!x&&i<d.forms.length;i++)
	   x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++)
	  x=TP_findObj(n,d.layers[i].document);

  if(!x && d.getElementById)
	   x=d.getElementById(n);

 return x;
}

function TP_swapImage()
{ //v3.0
  var i,j=0,x, a=TP_swapImage.arguments;
	document.TP_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
    if ((x=TP_findObj(a[i]))!=null)
	  {
		    document.TP_sr[j++]=x;

				if (!x.oSrc)
				  x.oSrc=x.src;

				x.src=a[i+2];
		}
 }



var imgChange = null;

TP_preloadImages('/imagenes/B_menu1on.gif','/imagenes/B_menu2on.gif','/imagenes/B_menu3on.gif','/imagenes/B_menu4on.gif','/imagenes/B_menu5on.gif','/imagenes/B_menu8on.gif','/imagenes/B_menu9on.gif','/imagenes/B_menu10on.gif','/imagenes/B_menu11on.gif', '/imagenes/B_menu1off.gif','/imagenes/B_menu2off.gif','/imagenes/B_menu3off.gif','/imagenes/B_menu4off.gif','/imagenes/B_menu5off.gif','/imagenes/B_menu8off.gif','/imagenes/B_menu9off.gif','/imagenes/B_menu10off.gif','/imagenes/B_menu11off.gif');

function hidemenu(layer, name, imageON, imageOFF )
{
  if (layer.style.display=='' )
  {
    layer.style.display='none';
    TP_swapImage(name,'',imageOFF,1);
  }
  else
  {
    layer.style.display='';
    TP_swapImage(name,'',imageON,1);
  }

}

function hiddemenu1()
{
   hidemenu( divSub1, 'img01', '/lancaster/img_menu/B_menu1on.gif', '/lancaster/img_menu/B_menu1off.gif');
}

function hiddemenu2()
{
   hidemenu( divSub2, 'img02', '/lancaster/img_menu/B_menu2on.gif', '/lancaster/img_menu/B_menu2off.gif');
}

function hiddemenu3()
{
   hidemenu( divSub3, 'img03', '/lancaster/img_menu/B_menu3on.gif', '/lancaster/img_menu/B_menu3off.gif');
}

function hiddemenu4()
{
   hidemenu( divSub4, 'img04', '/lancaster/img_menu/B_menu4on.gif', '/lancaster/img_menu/B_menu4off.gif');
}

function hiddemenu5()
{
   hidemenu( divSub5, 'img05', '/lancaster/img_menu/B_menu5on.gif', '/lancaster/img_menu/B_menu5off.gif');
}

function hiddemenu6()
{
   hidemenu( divSub6, 'img06', '/lancaster/img_menu/B_menu6on.gif', '/lancaster/img_menu/B_menu6off.gif');
}

function hiddemenu7()
{
   hidemenu( divSub7, 'img07', '/lancaster/img_menu/B_menu7on.gif', '/lancaster/img_menu/B_menu7off.gif');
}

function hiddemenu8()
{
   hidemenu( divSub8, 'img08', '/lancaster/img_menu/B_menu8on.gif', '/lancaster/img_menu/B_menu8off.gif');
}

function hiddemenu9()
{
   hidemenu( divSub9, 'img09', '/lancaster/img_menu/B_menu9on.gif', '/lancaster/img_menu/B_menu9off.gif');
}

function hiddemenu10()
{
   hidemenu( divSub10, 'img10', '/lancaster/img_menu/B_menu10on.gif', '/lancaster/img_menu/B_menu10off.gif');
}

function hiddemenu11()
{
   hidemenu( divSub11, 'img11', '/lancaster/img_menu/B_menu11on.gif', '/lancaster/img_menu/B_menu11off.gif');
}

function hiddemenu12()
{
   hidemenu( divSub12, 'img12', '/lancaster/img_menu/B_menu12on.gif', '/lancaster/img_menu/B_menu12off.gif');
}