function WarningDelete()
	{
		if(confirm("WARNING!\nBan co chac la ban muon xoa khong?"))
		{ return true;
		}else{
		return false;}
	}
	
function TestFormAccount()
	{
		if (document.form1.txtUserName.value=="") {
			alert('Ban hay nhap tai khoan dang nhap cua ban!');
			document.form1.txtUserName.focus();
			return false;
		}
		if (document.form1.txtPassword.value=="") {
			alert('Ban hay nhap mat khau cua ban!');
			document.form1.txtPassword.focus();
			return false;
		}
		if (document.form1.txtEmail.value.indexOf ('@',0) == -1 ||
			document.form1.txtEmail.value.indexOf ('.',0) == -1) {
			alert ("Your email address wrong\n Ex: info@vietnamadventure.com. Please try again.")
			document.form1.txtEmail.focus();
		return false;
		}
		if (document.form1.txtLevel.value=="") {
			alert('Ban hay chon cap do cua User!');
			document.form1.txtLevel.focus();
			return false;
		}
	}
function TestContactForm()
	{
		if (document.form1.txtEmail.value=="") {
			document.form1.txtEmail.value="customers@vietnamadventure.com";
		}
		if (document.form1.txtFullName.value=="") {
			alert('Please enter your full name!');
			document.form1.txtFullName.focus();
			return false;
		}
		if (document.form1.txtEmail.value.indexOf ('@',0) == -1 ||
			document.form1.txtEmail.value.indexOf ('.',0) == -1) {
			alert ("Your email address wrong\n Ex: info@vietnamadventure.com. Please try again.")
			document.form1.txtEmail.focus();
		return false;
		}
		if (document.form1.txtSubject.value=="") {
			alert('Please enter subject!');
			document.form1.txtSubject.focus();
			return false;
		}
		if (document.form1.txtMessage.value=="") {
			alert('Please enter message!');
			document.form1.txtMessage.focus();
			return false;
		}
	}