spe=500;
na=document.all.tags("blink");
swi=1;
bringBackBlinky();
	
function bringBackBlinky() {
	
if (swi == 1) {
sho="visible";
swi=0;
}
else {
sho="hidden";
swi=1;
}
	
for(i=0;i<na.length;i++) {
na[i].style.visibility=sho;
}
	
setTimeout("bringBackBlinky()", spe);
}