function showhide(id)
{
	if (document.getElementById)
	{
		obj = document.getElementById(id);
		if (obj.style.display == "block" || obj.style.display == "")
		{
			obj.style.display = "none";
		} 
		else
		{
			obj.style.display = "block";
		}
	}
}

function show(id)
{
	if (document.getElementById)
	{
		obj = document.getElementById(id);
		if (obj.style.display == "none")
		{
			obj.style.display = "block";
		}
	}
}

function hide(id)
{
	if (document.getElementById)
	{
		obj = document.getElementById(id);
		if (obj.style.display == "block" || obj.style.display == "")
		{
			obj.style.display = "none";
		}
	}
}

function hide_calendar_divs()
{
	if (document.getElementById)
	{
		var i=1;
		for (i=1;i<=31;i++)
		{
			obj = document.getElementById("calendar_detail_" + i);
			obj.style.display = "none";
		}
	}
}