var imagelist=new Array();

function hover(imagename,objname){
 if (document.images)
   document.images[objname].src="/images/"+imagename+"hov.gif";
}
function normal(imagename,objname){
 if (document.images)
   document.images[objname].src="/images/"+imagename+"up.gif";
}
function preload(){
 for (i=0;i<preload.arguments.length;i++){
  imagelist[i]=new Image();
  imagelist[i].src="/images/"+preload.arguments[i]+"hov.gif";
 }
}