function login_init(){
	var logSub = document.getElementById("loginSub");
	logSub.focus();
			
	var pw = document.getElementById("passwordField");
	var d = document.getElementById("dummy");
	pw.style.display = "none";
	pw.value="";
	d.style.display = "inline";
	d.value = "password";
	var uname = document.getElementById("usernameField");
	uname.value = "username";
}
			
function login_focusChanged(el){
	if (el.id == "dummy"){
		var pw = document.getElementById("passwordField");
		el.style.display = "none";
		pw.style.display = "inline";
		pw.focus();
		
		var uname = document.getElementById("usernameField");
		if (uname.value == ""){
			uname.value = "username";
		}
	} else if (el.id == "usernameField") {
		var pw = document.getElementById("passwordField");
		if (pw.value == ""){
			var d = document.getElementById("dummy");
			pw.style.display = "none";
			d.style.display = "inline";
		}
		
		if (el.value == "username"){
			el.value = "";
		}
	} else if (el.id == "passwordField"){
		var uname = document.getElementById("usernameField");
		if (uname.value == ""){
			uname.value = "username";
		}
	}
}