/* twNo1 Design */
function getObject(oId) {
	return document.getElementById(oId);
}

function confirmDelete(link, msg) {
 confirmMsg = msg;
 if (confirmMsg == '' || typeof(window.opera) != 'undefined') {
  return true;
 }
 var is_confirmed = confirm(confirmMsg);
 if (is_confirmed) {
  link.href += '&is_js_confirmed=1';
 }
 
 return is_confirmed;
}

function checkField(field, mesg) {
 //if ((field.value == "") || (field.value == 0)) {
 if (isBlank(field) || (field.value == 0)) {
  alert(mesg);
  field.focus();
  return false;
 } else {
  return true;
 }
}

function checkEMail(emailField) {
 var re = /^[0-9a-zA-Z\-\.\_]+@[0-9a-zA-Z\-]+\.[0-9a-zA-Z\-\.]+$/;
	//if (!emailField.value.match(re)) {
	if ((emailField.value.length > 0) && !emailField.value.match(re)) {
		alert("Invalid EMail Address!!");
		emailField.focus();
		return false;
	}
	
	return true;
}

function checkFieldLength(field, mesg, l) {
 if (field.value.length > l) {
  alert(mesg);
  field.value = field.value.substr(0, l);
  field.focus();
  return false;
 } else {
  return true;
 }
}

function checkFieldLength2(field, min, max, mesg) {
 flen = field.value.length;
 if (flen < min) {
  alert(mesg);
  field.focus();
  return false;
 } else if (flen > max) {
  alert(mesg);
  field.focus();
  return false;
 } else {
  return true;
 }
}

function isBlank(field) {
	while(field.value.indexOf(" ") == 0) {
		field.value = field.value.substring(1, field.value.length);
	}
	
	if((field.value == "") || (field.value == null)) {
		return true;
	} else {
		return false;
	}
}