// show or hide an element
function showHide(elId)
{
		if (elId != undefined) {
				var oEl;
				if (oEl = document.getElementById(elId)) {
						var oElDisplay = oEl.style.display;
						oEl.style.display = oElDisplay == 'block' ? 'none' : 'block';
				}
		}
}

function showContents()
{
		document.getElementById('loading').style.display = 'none';
		document.getElementById('contents').style.display = 'block';
}

function showGoodies(elId)
{
		if (elId != undefined) {
				var oEl;
				if (oEl = document.getElementById(elId)) {
						for(i=1; i<=3; i++) {
								document.getElementById('gi_'+i).style.display = 'none';
						}
						var oElDisplay = oEl.style.display;
						oEl.style.display = oElDisplay == 'block' ? 'none' : 'block';
				}
		}
}

function doLogin() {
		var oFrm = document.forms['f_login'];
		if (oFrm.elements['f_user_login'].value == '') return false;
		if (oFrm.elements['f_user_pass'].value == '') return false;
		oFrm.submit();
}

function init() {
		showContents();
}