function imgover(whichimg) {
	whichimg.src = whichimg.src.replace(new RegExp('_off\.','g'),'_on\.');
	}

function imgout(whichimg) {
	whichimg.src = whichimg.src.replace(new RegExp('_on\.','g'),'_off\.');
	}
	
function blinkIt() {
if (!document.all) return;
else {
for(i=0;i<document.all.tags('blink').length;i++){
s=document.all.tags('blink')[i];
s.style.visibility=(s.style.visibility=='visible') ?'hidden':'visible';
}
}
}