function so_clearInnerHTML(obj) {
	while(obj.firstChild) obj.removeChild(obj.firstChild);
}

function setText(obj,text) {
	so_clearInnerHTML(document.getElementById(obj));
	eDIV = document.createElement("div");
	eDIV.setAttribute("id","myDiv");
	eDIV.appendChild(document.createTextNode(text));
	document.getElementById(obj).appendChild(eDIV);
}
function callChangePW() {
	var pw1 = document.getElementById("pw1").value;
	var pw2 = document.getElementById("pw2").value;
	if ((pw1 == null) || (pw1 == "")||(pw2 == null) || (pw2 == "") || (!(pw1 == pw2)))
	{
		var oe=document.getElementById("pw1");oe.style.background="red";
		var oe=document.getElementById("pw2");oe.style.background="red";
		return;
	}
	var url = "/index.php?a=changepw&pw1=" + escape(pw1) + "&pw2=" + escape(pw2);
	setText("pwbox_e","updating");
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = updatePwBox;
	xmlHttp.send(null);
}

function updatePwBox() {
	if (xmlHttp.readyState == 4) {
		var response = xmlHttp.responseText;
		setText("pwbox_e",response);
	}
}

function callMediaOverview(page) 
{
	if (!(page>0))	return;
	var url = "/index.php?a=media&b=aj_overview&page=" + page;
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = updateMaincontent;
	xmlHttp.send(null);

}
function callMediaPic(pic)
{
	if (!(pic>0))  return;
	var url = "/index.php?a=media&b=aj_pic&pid=" + pic;
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = updateMaincontent;
	xmlHttp.send(null);

}

function updateMaincontent() {

	if (xmlHttp.readyState == 4) {
		var response = xmlHttp.responseText;
		document.getElementById("maincontent").innerHTML=response;
	}
}


function switchStatus(elname) {
	on=document.getElementById(elname+'_n');
	oe=document.getElementById(elname+'_e');
	if (on.style.display=="none")
	{
		on.style.display="inline";
		oe.style.display="none";
	}
	else
	{
		on.style.display="none";
		oe.style.display="inline";
	}
}