function hideSelects()
{
	for(i = 0; i < document.getElementsByTagName("select").length; i++)
	{
		hide(document.getElementsByTagName("select")[i]);		
	}
}

function showSelects()
{
	for(i = 0; i < document.getElementsByTagName("select").length; i++)
	{
		show(document.getElementsByTagName("select")[i]);		
	}
}

function show(obj)
{
	obj.style.display = 'inline';
}

function hide(obj)
{
	obj.style.display = 'none';
}