/*** start code to preload menu rollover ***/
nava001=new Image()
nava001.src="images/skins/default/perlowu/nav_perlow.gif"
nava002=new Image()
nava002.src="images/skins/default/perlowu/nav_perlow_on.gif"
navb001=new Image()
navb001.src="images/skins/default/perlowu/nav_service.gif"
navb002=new Image()
navb002.src="images/skins/default/perlowu/nav_service_on.gif"
navc001=new Image()
navc001.src="images/skins/default/perlowu/nav_resource.gif"
navc002=new Image()
navc002.src="images/skins/default/perlowu/nav_resource_on.gif"
navd001=new Image()
navd001.src="images/skins/default/perlowu/nav_refer.gif"
navd002=new Image()
navd002.src="images/skins/default/perlowu/nav_refer_on.gif"

/****** begin function to rollover ******/
function roll(imagename,objectsrc){
if (document.images)
document.images[imagename].src=eval(objectsrc+".src")
}
/****** end function to rollover ******/