window.onload = initPage;
	showRegMenu = true;

function initPage() {
//A variable used to distinguish whether to open or close the calendar.
//	document.getElementById("opencloseregmenu").onclick= showHideMenu;
//	document.getElementById("reg-nav").onclick= showHideMenu;

var currentBtn1 = document.getElementById("reg-nav");
	addEventHandler(currentBtn1, "click", showHideRegMenu);

//var	currentBtn = document.getElementById("opencloseregmenu");
//	addEventHandler(currentBtn, "click", showHideRegMenu);

//var	currentBtn = document.getElementById("reg-nav");
//	addEventHandler(currentBtn, "click", showHideRegMenu);

}

function showHideRegMenu(event) {
//Change the current image of the minus or plus.
	if (showRegMenu == true){		//show the menu.
		document.getElementById("opencloseregmenu").src = "../images/mins.gif";
		showRegMenu = false;
		document.getElementById("reg-menu").className="show-menu";
//		document.getElementById("reg-nav").className="show-menu";
	} else {						//Hide the menu.
		document.getElementById("opencloseregmenu").src = "../images/plus.gif";
		showRegMenu = true;
		document.getElementById("reg-menu").className="hide-menu";
//		document.getElementById("reg-nav").className="hide-menu";
	}
}