function page() {
var tg = document.frm.tggt.value;
if (tg == "") {
alert("Type the Chapter Number in Text Box")
return false
}
for (var i = 0; i < tg.length; i++) {
var ch = tg.substring(i, i + 1);
if (ch < "0" || ch > "9") {
alert("Not a number, valid numbers are 0 through 9")
return false
}
}
document.frm.tgt.value=tg;
document.frm.submit() ;
return true;
}
//-->