function LoginFocus(event)
{
	var target;
	if(event.target)
		target = event.target;
	else if(event.srcElement)
		target = event.srcElement;
	
	if(!target)
		return;
		
	if(target.value == "username")
		target.value = "";
}

function LoginBlur(event)
{
	var target;	
	
	if(event.target)
		target = event.target;
	else if(event.srcElement)
		target = event.srcElement;
	
	if(!target)
		return;
	
	if(target.value == "")
		target.value = "username";
}