// check that the fields are filled out before submitting
function checkFields() {
	var form = document.forms["frmLogin"];
	var fieldNames = Array("Username","Password");
	var fieldDispl = Array("Username","Password");
	var errStr = "";
	for (i=0;i<fieldNames.length;i++) {
		if (form.elements[fieldNames[i]].value.length < 1)
			errStr += " > " + fieldDispl[i] + "\n";
	}
	if (errStr == "") {
		return true;
	}
	else {
		alert("Please fill out the following fields:\n" + errStr);
		return false;
	}
}