//code @James Drever, The Telematics Centre, University of Birmingham

if (document.layers) 
{
	visible = 'show';
	hidden = 'hide';
} 
else
{
	visible = 'visible';
	hidden = 'hidden';
}


function readMore(menu)
{
	window.scrollTo(0,0);
	if (document.layers) 
	{
   		moretoread = document.layers[menu];
  	} 
	else if (document.all) 
	{
		moretoread = document.all(menu).style;
  	}
  	else
  	{
  		moretoread = document.getElementById(menu).style;
  	}
 
  	if (moretoread.visibility == visible) 
	{
		moretoread.visibility = hidden;
	} 
	else
	{
		moretoread.visibility = visible;
	}
}