function imgRollover(i,t) {
	i.src = t;
}

function showHideLogin() {
	
	var s = document.getElementById("loginTab");

	if (s.style.visibility == "hidden") {
		s.style.height = "210px";
		s.style.visibility = "visible";
	} else {
		s.style.height = "0px";
		s.style.visibility = "hidden";
	}

}