//__al = new Image();
//__al.src='images/loading.gif';



	/*a = document.createElement('a');
	a.setAttribute('href', 'images/loading.gif');
	a.setAttribute('rel', 'lightbox');
	a.setAttribute('title', 'Loading...');
	//document.getElementsByTagName('body').item(0).appendChild(a);*/

function contentChange(pageName, params)
{
	if(pageName == '')
	{
		return;
	}
	
	var url = base+pageName+'.html?ajax=true';
	
	var url = base+'?path='+pageName+'&ajax=true';
	
	if(session_id != '')
	{
		url += '&'+session_id;
	}

	
	//$('center').innerHTML = '<img src="images/loading.gif" alt="Loading..." style="margin: auto;" /><br /><br />'+$('center').innerHTML;
	
	//myLightbox.start(a);
	/*var arrayPageSize = getPageSize();
	//$('load').style.marginTop = (arrayPageSize[1]/2-70)+'px';
	//$('load').style.marginLeft = (arrayPageSize[0]/2-250)+'px';
	$('load').style.top = (arrayPageSize[1]/2)+'px';
	$('load').style.left = (arrayPageSize[0]/2)+'px';
	Element.setHeight('overlay', arrayPageSize[1]);
	//new Effect.Appear('overlay', {duration: 0.3, from: 0.0, to: 0.8 });
	new Effect.Appear('load', {duration: 1.0, direction: 'center'});*/
	
	var myAjax = new Ajax.Updater
	(
		'ajax',
		url,
		{
			method: 'post',
			postBody: params,
			onComplete: function()
			{
				//new Effect.Fade('overlay', {duration: 0.2});
				//setTimeout("new Effect.DropOut('load', {duration: 1.5})", 500);
			}
			
		}
	);
	
}