Text Object Select/Focus
function isNumber(inputStr) {
for (var i = 0; i < inputStr.length; i++) {
var oneChar = inputStr.charAt(i)
if (oneChar < "0" || oneChar > "9") {
alert("Please make sure entries are integers only.")
return false
}
}
return true
}
function checkNumeric(fld) {
var inputStr = fld.value
if (isNumber(inputStr)) {
// statements if true
} else {
setTimeout("doSelection(document." + fld.form.name + ". " + fld.name + ")", 0)
}
}
function doSelection(fld) {
fld.focus()
fld.select()
}
Enter any positive integer: