function changeBkg(oName,sAction)
{
	var sSrc="";
	if (sAction.toLowerCase() == "off")
	{
		sSrc="img/button_blank_off.gif";
	} else {
		sSrc="img/button_blank_on.gif";
	}
	oName.background=sSrc;
}

function preloadImg()
{
	offBkg= new Image;
	offBkg.src = "img/button_blank_off.gif";
}

function go(sURL)
{
	document.location="main.aspx?id=" + sURL;
}