function doVerify(ev, m1, m2, m3) {
	if(ev.keyCode==13) login_oC(document.forms[0], m1, m2, m3);
	return false;
}


function login_oC(f1, m1, m2 , m3) {
	var state = true;

	if(f1.sb_username && f1.sb_password) {
		if ((f1.sb_username.value == "") || (f1.sb_password.value == "")) {
			alert(m1);//"Enter your login name and password."
			state = false;
		} 
	} else if(f1.sb_siteid) {
		if (f1.sb_siteid.value == "")  {
			alert(m2);//"Enter your site identity "
			state = false;
		}
	} else if(f1.sb_sitepassword) {
		if (f1.sb_sitepassword.value == "") {
			alert(m3); //"Enter your site password"
			state = false;
		}
	} else {
		state = false;
	}

	if(state) {	
		f1.submit();
	}

	return state;
}