function showHide(targetDivIn)
{
	var targetDiv = document.getElementById(targetDivIn)
	if (targetDiv.style.display == 'none')
		targetDiv.style.display = 'block';
	else
		targetDiv.style.display = 'none';
}


// changes the images during a mouseover/mouseout operation
	function changeImages() 
	{
	 	if (document.images) 
		{
	  		for (var i=0; i<changeImages.arguments.length; i+=2) 
			{
	   			document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
	  		}
	 	}
	}