Embed these as you would any JS.

mostly horizontal:

<script type="text/javascript" language="JavaScript1.2">
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beginSTM("menu1041645756","static","0","0","none","false","true","310","1000","0","250","","blank.gif");
beginSTMB("auto","0","0","vertically","arrow_r.gif","7","7","0","3","#ffffef","","tiled","#cccccc","1","solid","0","Normal","50","0","0","7","7","0","0","0","#7f7f7f","false","#cccccc","#cccccc","#cccccc","none");
appendSTMI("false","Navigation","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","Navigation","","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","Navigation","","","tiled","tiled");
beginSTMB("auto","2","1","vertically","arrow_r.gif","7","7","0","3","#ffffff","","tiled","#000000","0","none","0","Normal","50","0","0","7","7","0","0","0","#7f7f7f","false","#000000","#000000","#000000","none");
appendSTMI("false","reload&nbsp;this&nbsp;page","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","reload&nbsp;this&nbsp;page","index1.html","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","reload this page","","","tiled","tiled");
appendSTMI("false","go&nbsp;to&nbsp;the&nbsp;archives","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","go&nbsp;to&nbsp;the&nbsp;archives","newsarchives.html","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","go to the archives","","","tiled","tiled");
beginSTMB("auto","2","1","vertically","arrow_r.gif","0","0","0","3","#ffffff","","tiled","#000000","0","none","0","Normal","50","0","0","0","0","0","0","0","#7f7f7f","false","#000000","#000000","#000000","none");
appendSTMI("false","or&nbsp;visit&nbsp;Yahoo","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","or&nbsp;visit&nbsp;Yahoo","http://www.yahoo.com","_blank","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","or visit Yahoo","","","tiled","tiled");
endSTMB();
endSTMB();
endSTMB();
endSTM();
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</script>

mostly vertical:

<script type="text/javascript" language="JavaScript1.2">
<!--
beginSTM("menu1041645756","static","0","0","none","false","true","310","1000","0","250","","blank.gif");
beginSTMB("auto","0","0","horizontally","arrow_r.gif","7","7","0","3","#ffffef","","tiled","#cccccc","1","solid","0","Normal","50","0","0","7","7","0","0","0","#7f7f7f","false","#cccccc","#cccccc","#cccccc","none");
appendSTMI("false","Navigation","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","Navigation","","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","Navigation","","","tiled","tiled");
beginSTMB("auto","2","1","vertically","arrow_r.gif","7","7","0","3","#ffffff","","tiled","#000000","0","none","0","Normal","50","0","0","7","7","0","0","0","#7f7f7f","false","#000000","#000000","#000000","none");
appendSTMI("false","reload&nbsp;this&nbsp;page","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","reload&nbsp;this&nbsp;page","index1.html","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","reload this page","","","tiled","tiled");
appendSTMI("false","go&nbsp;to&nbsp;the&nbsp;archives","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","go&nbsp;to&nbsp;the&nbsp;archives","newsarchives.html","_self","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","go to the archives","","","tiled","tiled");
beginSTMB("down","2","1","horizontally","arrow_r.gif","0","0","0","3","#ffffff","","tiled","#000000","0","none","0","Normal","50","0","0","0","0","0","0","0","#7f7f7f","false","#000000","#000000","#000000","none");
appendSTMI("false","or&nbsp;visit&nbsp;Yahoo","left","middle","","","-1","-1","0","normal","#ffffef","#a49033","","1","-1","-1","blank.gif","blank.gif","-1","-1","0","or&nbsp;visit&nbsp;Yahoo","http://www.yahoo.com","_blank","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","Arial Rounded MT Bold","10pt","#000000","normal","normal","none","1","solid","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","#cccccc","or visit Yahoo","","","tiled","tiled");
endSTMB();
endSTMB();
endSTMB();
endSTM();
//-->
</script>

to make your pages "lighter", you can externalize these JS, just erase the very first and very last lines, and save using any name you like with a .js extension.  Call the external script via: