function changeTab(newURL) {
	window.location='index.php?page=' + newURL;
}

function clickPanelHeader(headerElem) {
	if(headerElem.className == 'hide') {
		headerElem.className = 'show';
	} else {
		headerElem.className = 'hide';
	}
	
	var next = headerElem.parentNode.nextSibling;
	
	while(next != null && typeof(next) != "undefined" && next.tagName != "TR") {
		next = next.nextSibling;
	}
	
	
	if(next != null && typeof(next) != "undefined") {
		if(headerElem.className == 'hide') {
			next.style.display = "none";
		} else {
			next.style.display = "";
		}
	}
}