function navigate(intId) {
	var contentImg = document.getElementById("contentimage");
	var arrPages = new Array();
		arrPages[0] = "";
		arrPages[1] = "news";
		arrPages[2] = "about";
		arrPages[3] = "agenda";	
		arrPages[4] = "releases";	
		arrPages[5] = "charts";	
		arrPages[6] = "media";	
		arrPages[7] = "gbook";	
		arrPages[8] = "links";
	
	contentImg.src = 'content/images/sidebar_'+arrPages[intId]+'.gif';
	setContent('content/'+arrPages[intId]+'.php', 'maincontent');
}

function navigateTo(strPage, strQs) {
	var contentImg = document.getElementById("contentimage");
	contentImg.src = 'content/images/sidebar_'+strPage+'.gif';
	setContent('content/'+strPage+'.php'+strQs, 'maincontent');
}

function setContent(open_file, div_id) {
	var w3c = (typeof window.XMLHttpRequest != 'undefined');
	var ie = (typeof window.ActiveXObject != 'undefined');
	
	if (w3c) {
		var xmlHttp = new XMLHttpRequest();
	} 
	else if (ie) {
		var xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	else {
		return false;
	}
	
	var d = new Date();
	var url = open_file
	var randomUrl = d.getFullYear()+(d.getMonth()+1)+d.getDate()+d.getHours()+d.getMinutes()+d.getSeconds()
	xmlHttp.open('GET', url, true);
	
	xmlHttp.onreadystatechange = function() {
		window.status = 'xmlHttp.readyState: '+xmlHttp.readyState;
		if (xmlHttp.readyState == 4) {
			var content = xmlHttp.responseText;
			document.getElementById(div_id).innerHTML = content;
			CSBfleXcroll('contentscroll');
		}
	}
	
	xmlHttp.send(null);
	return (false);
}

function submitGbookEntry() {
	var wg_name = document.getElementById("wg_name");
	var wg_message = document.getElementById("wg_message");
	var wg_code_hidden = document.getElementById("wg_code_hidden");
	var wg_code = document.getElementById("wg_code");
	var gbookmsg = document.getElementById("gbookMessage");
	
	if (wg_code.value.toUpperCase() != wg_code_hidden.value) {
		gbookmsg.innerHTML = '<b>The entered code is not valid!</b>';
		wg_code.select();
		wg_code.focus();
		return false;
	}
	else {
		if (wg_name.value == '') {
			gbookmsg.innerHTML = '<b>Please enter your name!</b>';
			wg_name.select();
			wg_name.focus();
			return false;
		}
		else {
			if (wg_message.value == '') {
				gbookmsg.innerHTML = '<b>Please enter a message!</b>';
				wg_name.select();
				wg_name.focus();
				return false;
			}
			else {
				navigateTo('gbook', '?gbMsg=1');
			}
		}
	}
}