function login() {
	var myForm=document.forms.frmLogin;
	if (myForm.username.value == '') {
		alert("Username is empty");
		return false;
	}
	if (myForm.pass.value == '') {
		alert("Password is empty");
		return false;
	}
}
function login2() {
	var myForm=document.forms.frmLogin2;
	if (myForm.username.value == '') {
		alert("Username is empty");
		return false;
	}
	if (myForm.pass.value == '') {
		alert("Password is empty");
		return false;
	}
}
function showSignUp(act) {
	var myForm=document.forms.frmLogin;
	myForm.action = act;
	myForm.submit();
}