function toggleDivDisplay(elemid)
{
	el = document.getElementById(elemid);
	
	if (el.style.display == '')
		el.style.display = 'none';
	else
		el.style.display = '';
}

function showDivDisplay(elemid)
{
	el = document.getElementById(elemid);
	el.style.display='';
}

function hideDivDisplay(elemid)
{
	el = document.getElementById(elemid);
	el.style.display='none';
}

function displayTip(tipid, maxVal)
{
	if (tipid != '')
	{
		el = document.getElementById("tip"+tipid);
		container = document.getElementById('tipcontainer');
		container.style.display = '';
		for (i = 0; i <= maxVal; i++)
		{
			try
			{
				if (i != tipid)
				{
					document.getElementById('tip'+i).style.display = 'none';
				}
			}
			catch(e)
			{
				// do NOTHING! 
			}
		}
		// set the selected tip to display
		el.style.display = '';
	}
}

function changeLocation(place)
{
	if (place != '')
		document.location = place;
}

function popUp(URL)
{
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=1,scrollbars=1,location=1,statusbar=0,menubar=0,resizable=0,width=660,height=400,left = 525,top = 400');");
}

function popUpLoose(URL)
{
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=1,scrollbars=1,location=1,statusbar=0,menubar=0,resizable=0');");
}