// JavaScript Document
function preloadmenu() {
    MM_preloadImages('images/rollover01a.gif','images/rollover02a.gif','images/rollover03a.gif','images/rollover04a.gif','images/rollover05a.gif','images/rollover06a.gif','images/rollover01.gif','images/rollover02.gif','images/rollover03.gif','images/rollover04.gif','images/rollover05.gif','images/rollover06.gif');
}

<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->