// JavaScript Document
function toggleLayer( whichLayer )
{
	var elem, vis;
	if( document.getElementById ) // this is the way the standards work
	{
		elem = document.getElementById( whichLayer );
	}
	
	vis = elem.style;
	
	// if the style.display value is blank we try to figure it out here
	if( vis.display == '' && elem.offsetWidth != undefined && elem.offsetHeight != undefined )

	if ( elem.offsetWidth != 0 && elem.offsetHeight != 0 )
	{
		vis.display = 'block';
		document.getElementById('textChange').innerHTML = 'Hide posts';
	}
	else
	{
		vis.display = 'none';
		document.getElementById('textChange').innerHTML = 'Show posts';				
	}
	if (  vis.display == '' || vis.display == 'block' )
	{
		vis.display = 'none';
		document.getElementById('textChange').innerHTML = 'Show posts';
	}
	else
	{
		vis.display = 'block';
    	document.getElementById('textChange').innerHTML = 'Hide posts';
	}
}