var divstatus= "closed";
var ie= false;


if (navigator.appName.indexOf("Explorer") > 0)
	{
		ie= true;
	}

function rshow_tip_inner()
{
	document.getElementById('tooltip').style.visibility = "visible";
	if (ie)
		{
		divstatus= "open";
		}
}

function rshow_tip()
{
	document.getElementById('tooltip').style.visibility = "visible";
}

function rhide_tip()
{
	if (divstatus == "open")
	{
		divstatus = "closed";
	}else{
		document.getElementById('tooltip').style.visibility = "hidden";
	}
}