//This script calls method in common.js
function validateTextbox(tb, label, maxlength) {
	tb.value = tb.value.trim();
	if (tb.value.length > maxlength) {
		tb.value = tb.value.truncate(maxlength);
		tb.focus();
		alert("The maximum length for the " + label + " field is " + maxlength + " characters. The " + label + " field has been truncated.");
	}
}