var opened = '';

function openClose(obj,opened)
{
	if((opened.length > 0) && (opened != obj))
	{
		document.getElementById(opened).style.display = 'none';
		document.getElementById(opened+'_image').src='/images/content_plus.jpg';
	}

	if(document.getElementById(obj).style.display == '')
	{
		document.getElementById(obj).style.display = 'none';
		document.getElementById(obj+'_image').src='/images/content_plus.jpg';
	}
	else
	{
		document.getElementById(obj).style.display = '';
		document.getElementById(obj+'_image').src='/images/content_x.jpg';
	}

	return obj;
}