var objCurrentSubmenu = null;
var submenuTimer;

window.onload = function(){
	setFunc("menu-about", "onmouseover", "showSubmenu('submenu-about')");
	setFunc("menu-about", "onmouseout", "hideSubmenu()");
	setFunc("submenu-about", "onmouseover", "keepSubmenu()");
	setFunc("submenu-about", "onmouseout", "hideSubmenu()");
	setFunc("menu-membership", "onmouseover", "showSubmenu('submenu-membership')");
	setFunc("menu-membership", "onmouseout", "hideSubmenu()");
	setFunc("submenu-membership", "onmouseover", "keepSubmenu()");
	setFunc("submenu-membership", "onmouseout", "hideSubmenu()");
	setFunc("menu-meeting", "onmouseover", "showSubmenu('submenu-meeting')");
	setFunc("menu-meeting", "onmouseout", "hideSubmenu()");
	setFunc("submenu-meeting", "onmouseover", "keepSubmenu()");
	setFunc("submenu-meeting", "onmouseout", "hideSubmenu()");
	setFunc("join", "onclick", "return openWin(this.getAttribute('href'))");
	setFunc("login", "onclick", "return openWin(this.getAttribute('href'))");
	setFunc("mailinglist", "onclick", "return openWin(this.getAttribute('href'))");
	setFunc("go-login", "onclick", "return openWin(this.getAttribute('href'))");
	setNewWin();
	preloadImg("img/go_login_on.jpg", "img/go_5thmeeting_on.jpg");
	sendToCodedEmail();
}
function showSubmenu(submenuId){
	clearSubmenu();
	objCurrentSubmenu = getObjById(submenuId);
	objCurrentSubmenu.style.visibility = "visible";
	clearTimeout(submenuTimer);
}
function hideSubmenu(){
	submenuTimer=setTimeout('clearSubmenu()', 700);
}
function keepSubmenu(){
	clearTimeout(submenuTimer);
}
function clearSubmenu(){
	if(objCurrentSubmenu){
		objCurrentSubmenu.style.visibility = "hidden";
	}
	objCurrentSubmenu = null;
}