var speed=800

function flashit220(){
var crosstable=document.getElementById? document.getElementById("myexample220") : document.all? document.all.myexample220 : ""
if (crosstable){
if (crosstable.style.borderColor.indexOf("white")!=-1)
crosstable.style.borderColor="red"
else
crosstable.style.borderColor="white"
}
}
setInterval("flashit220()", speed)