var myimages=new Array()
function preloadimages(){
for (i=0;i<preloadimages.arguments.length;i++){
myimages[i]=new Image()
myimages[i].src=preloadimages.arguments[i]
}
}
preloadimages("images/home_up.gif","images/practice_up.gif","images/directions_up.gif","images/bio_up.gif","images/links_up.gif","images/contact_up.gif")