/* */
// function to make an element appear and disappear
/* */
function changeDisplay(obj, numItems)
{
	// hide all elements
	var i=1;
	var numItems = numItems;
	
	for (i=1;i<=numItems;i++)
	{
		var el = document.getElementById('month' + i);
		el.style.display = 'none';
	}

	var el = document.getElementById(obj);
	
	if ( el.style.display == "none" ) 
	{
		// show the element at the mouse pointer
		el.style.display = '';
		
	}else {
		// make the element disappear
		el.style.display = 'none';
	}// end if else !=
}// end functon changeDisplay()



function changeDepartureDisplay(obj, numItems)
{
	// hide all elements
	var i=1;
	var numItems = numItems;
	
	for (i=1;i<=numItems;i++)
	{
		var el = document.getElementById('dmonth' + i);
		el.style.display = 'none';
	}

	var el = document.getElementById(obj);
	
	if ( el.style.display == "none" ) 
	{
		// show the element at the mouse pointer
		el.style.display = '';
		
	}else {
		// make the element disappear
		el.style.display = 'none';
	}// end if else !=
}// end functon changeDepartureDisplay()