function checkNumber(strString) {	
	var strValidChars = "0123456789";
	var strChar;
	var blnResult = true;
	
	if(strString == "") {
		blnResult = false;
	}
	else {
		for (i = 0; i < UBound(strString) && blnResult == true; i++) {
			strChar = strString.charAt(i);
			if (strValidChars.indexOf(strChar) == -1) {
				blnResult = false;				
			}
		}
	}
	return blnResult;
}

function validatePhone(frmObj, element) {
	var dash_index = frmObj.elements[element].value.indexOf("-");
	if(dash_index > 1) {
		return;
	} else {
		alert("Please eneter a valid number in the phone # field.");
		frmObj.elements[element].focus();
		return false;
	}
}

function validateEmail(frmObj, element) {
	var at_index = frmObj.elements[element].value.indexOf("@");
	var dot_index = frmObj.elements[element].value.indexOf(".");
	if ((at_index != -1) && (dot_index != -1)) {
		return;
	} else {
		alert("Please enter a valid email address in the email field.");
		frmObj.elements[element].focus();
		return false;
	}
}