var navOrig0 = new Image; navOrig0.src = "../icons/orig.gif";
var navMain0 = new Image; navMain0.src = "../icons/main.gif";
var navPrev0 = new Image; navPrev0.src = "../icons/prev.gif";
var navNext0 = new Image; navNext0.src = "../icons/next.gif";

var navOrig0_r = new Image; navOrig0_r.src = "../icons/orig_r.gif";
var navMain0_r = new Image; navMain0_r.src = "../icons/main_r.gif";
var navPrev0_r = new Image; navPrev0_r.src = "../icons/prev_r.gif";
var navNext0_r = new Image; navNext0_r.src = "../icons/next_r.gif";

var navOrig1 = new Image; navOrig1.src = "../icons/orig_on.gif";
var navMain1 = new Image; navMain1.src = "../icons/main_on.gif";
var navPrev1 = new Image; navPrev1.src = "../icons/prev_on.gif";
var navNext1 = new Image; navNext1.src = "../icons/next_on.gif";

function NavBarIn( iconId, barId )
{
   document["Nav"+iconId+String( barId )].src = eval( "nav" + iconId + "1.src" );
}

function NavBarOut( iconId, barId )
{
   document["Nav"+iconId+String( barId )].src = eval( "nav" + iconId + "0.src" );
}

function NavBarOut_r( iconId, barId )
{
   document["Nav"+iconId+String( barId )].src = eval( "nav" + iconId + "0_r.src" );
}

function PageFileName( pageNum )
{
   var s = String( pageNum );

   if ( pageNum < 10 || pageNum > 99 && pageNum < 1000 || pageNum < 10000 )
      s = "0" + s;

   return "es" + s + ".htm";
}

function GenerateNavBar( barId, isOrig, isMain, isPrev, isNext )
{
   var sNavOrig = "";
   var sNavMain = "";
   var sNavPrev = "";
   var sNavNext = "";
	 var sNavBarOut = "";
	 
   if ( barId > 2 )
	 {
	    barId -= 2;
			sNavOrig = navOrig0_r.src;
			sNavMain = navMain0_r.src;
			sNavPrev = navPrev0_r.src;
			sNavNext = navNext0_r.src;
			sNavBarOut = "NavBarOut_r";
	 }
	 else
	 {
			sNavOrig = navOrig0.src;
			sNavMain = navMain0.src;
			sNavPrev = navPrev0.src;
			sNavNext = navNext0.src;
			sNavBarOut = "NavBarOut";
	 }

   var sBar = String( barId );

   if ( isOrig > 0 )
   {
      document.write(
         "<a href=\"../es.htm\" target=\"_top\" " );
      document.write(
         "onMouseOver=\"NavBarIn( \'Orig\', " + sBar + " ); return true;\" " );
      document.write(
         "onMouseOut=\"" + sNavBarOut + "( \'Orig\', " + sBar + " ); return true;\">" );
      document.write(
         "<img src=\"" + sNavOrig + "\" name=\"NavOrig" + sBar + "\" border=\"0\"></a>" );

      if ( isMain > 0 || isPrev > 0 || isNext > 0 )
         document.write( "<img src=\"../icons/s20.gif\" border=\"0\" width=\"12\">" );
   }

   if ( isMain > 0 )
   {
      document.write(
         "<a href=\"" + PageFileName( isMain ) + "\" target=\"_top\" " );
      document.write(
         "onMouseOver=\"NavBarIn( \'Main\', " + sBar + " ); return true;\" " );
      document.write(
         "onMouseOut=\"" + sNavBarOut + "( \'Main\', " + sBar + " ); return true;\">" );
      document.write(
         "<img src=\"" + sNavMain + "\" name=\"NavMain" + sBar + "\" border=\"0\"></a>" );

      if ( isPrev > 0 || isNext > 0 )
         document.write( "<img src=\"../icons/s20.gif\" border=\"0\" width=\"12\">" );
   }

   if ( isPrev > 0 )
   {
      document.write(
         "<a href=\"" + PageFileName( isPrev ) + "\" target=\"_top\" " );
      document.write(
         "onMouseOver=\"NavBarIn( \'Prev\', " + sBar + " ); return true;\" " );
      document.write(
         "onMouseOut=\"" + sNavBarOut + "( \'Prev\', " + sBar + " ); return true;\">" );
      document.write(
         "<img src=\"" + sNavPrev + "\" name=\"NavPrev" + sBar + "\" border=\"0\"></a>" );

      if ( isNext > 0 )
         document.write( "<img src=\"../icons/s20.gif\" border=\"0\" width=\"12\">" );
   }

   if ( isNext > 0 )
	 {
      document.write(
         "<a href=\"" + PageFileName( isNext ) + "\" target=\"_top\" " );
      document.write(
         "onMouseOver=\"NavBarIn( \'Next\', " + sBar + " ); return true;\" " );
      document.write(
         "onMouseOut=\"" + sNavBarOut + "( \'Next\', " + sBar + " ); return true;\">" );
      document.write(
         "<img src=\"" + sNavNext + "\" name=\"NavNext" + sBar + "\" border=\"0\"></a>" );
   }
}