function showLayer(object) 
{	
	if (document.getElementById) 
	{		
		document.getElementById(object).style.visibility = 'visible';	
	}	
	else if (document.layers && document.layers[object]) 
	{		
		document.layers[object].visibility = 'visible';	
	}	
	else if (document.all) 
	{		
		document.all[object].style.visibility = 'visible';	
	}
}

function hideLayer(object) 
{	
	if (document.getElementById) 
	{		
		document.getElementById(object).style.visibility = 'hidden';	
	}	
	else if (document.layers && document.layers[object]) 
	{		
		document.layers[object].visibility = 'hidden';	
	}	
	else if (document.all) 
	{		
		document.all[object].style.visibility = 'hidden';	
	}
}

function changeImg(strImg2Set, strNewPath) 
{	
	var img2Set = document.images[strImg2Set];	
	var img2Get = new Image;	
	img2Get.src = strNewPath;	
	img2Set.src = img2Get.src;
}