function ajaxLoad( url, id ) {
	if ( document.getElementById ) {
		var x = ( window.ActiveXObject ) ? new ActiveXObject( "Microsoft.XMLHTTP" ) : new XMLHttpRequest();
	}
	if ( x ) {
		x.onreadystatechange = function() {
			if ( x.readyState == 4 && x.status == 200 ) {
				el = document.getElementById( id );
				el.innerHTML = x.responseText;
			}
		}
		x.open( "GET", url, true );
		x.send( null );
	}
}

var loading = '<div style="text-align:center"><img src="files/gfx/icon_loading.gif" width="32" height="32" border="0"></div>';

function getObj( obj_id ) {
	return document.getElementById( obj_id );
}

function setContent( obj, content ) {
	var obj = document.getElementById( obj );
	obj.innerHTML = content;
}

function toggleDisplay( obj_id ) {
	var obj = document.getElementById( obj_id );
	if ( document.getElementById( obj_id ).style.display == 'none' ) {
		document.getElementById( obj_id ).style.display = 'block';
	} else {
		document.getElementById( obj_id ).style.display = 'none';
	}
}