/***check number***/
function playber(){
var x=document.play.play.value
var anum=/(^\d+$)|(^\d+\.\d+$)/
if (anum.test(x))
testresult=true
else{
alert("Game ID is number!")
testresult=false
}
return (testresult)
}
function checkban(){
if (document.layers||document.all||document.getElementById)
return playber()
else
return true
}
/***check number***/