function showHideDiv(id,showDiv)
{
	var d = document.getElementById(id);
	if (d != undefined)
	{
		if (typeof(showDiv) == 'undefined')
		{
			if (d.style.display == 'none' || d.style.display == '')
			{
				d.style.display = 'block';
			}
			else
			{
				d.style.display = 'none';
			}
		}
		else
		{
			d.style.display = (showDiv)?('block'):('none');
		}
	}
}

var divsExpanded = false;

function showHideAllDivs()
{
	var divs = document.getElementsByTagName('div');
	
	divsExpanded = !divsExpanded;
	
	for (var i=0; i<divs.length; i++)
	{
		if (divs[i].className == 'docDiv')
		{
			showHideDiv(divs[i].id,divsExpanded);
		}
	}
}