//when graphics file is one directory down, eg kbpa/index.htm
 function topon2() 
{     document.top2.src="../graphics/buttons/topmarbred.gif"  }
 function topoff2()
{     document.top2.src="../graphics/buttons/topmarb.gif" }
function backon2() 
{     document.back2.src="../graphics/buttons/backmarbred.gif"  }
 function backoff2()
{     document.back2.src="../graphics/buttons/backmarb.gif"  }
function homeon2() 
{     document.home2.src="../graphics/buttons/homemarbred.gif"  }
 function homeoff2()
{     document.home2.src="../graphics/buttons/homemarb.gif"  }
function nexton2() 
{     document.next2.src="../graphics/buttons/nextmarbred.gif"  }
 function nextoff2()
{     document.next2.src="../graphics/buttons/nextmarb.gif"  }
function emailon2() 
{     document.email2.src="../graphics/buttons/emailmarbred.gif"  }
 function emailoff2()
{     document.email2.src="../graphics/buttons/emailmarb.gif"  }
function reloadon2() 
{     document.reload2.src="../graphics/buttons/reloadmarbred.gif"  }
 function reloadoff2()
{     document.reload2.src="../graphics/buttons/reloadmarb.gif"  }