// JavaScript Document
var nav1on, nav1off, nav2on, nav2off, nav3on, nav3off

if (document.images)
{
	nav1on = new Image();
	nav1on.src = "../images/tab_bab_active.gif";
	nav2on = new Image();
	nav2on.src = "../images/tab_hib_active.gif";
	nav3on = new Image();
	nav3on.src = "../images/tab_hbml_active.gif";
	
	nav1off = new Image();
	nav1off.src = "../images/tab_bab.gif";
	nav2off = new Image();
	nav2off.src = "../images/tab_hib.gif";
	nav3off = new Image();
	nav3off.src = "../images/tab_hbml.gif";
}

function imgOn(oRef)
{
	if (document.images)
	{
		var oRefOn = eval(oRef.id + "on");
		
		if (oRef.src != oRefOn.src)
			oRef.src = oRefOn.src;
	}
}

function imgOff(oRef)
{
	if (document.images)
	{
		var oRefOff = eval(oRef.id + "off");
		
		if (oRef.src != oRefOff.src)
			oRef.src = oRefOff.src;
	}
}