menuOff = new Array(11)
menuOn = new Array(11)

for (i=0;i<11;i++)
{	menuOff[i] = new Image
	menuOn[i] = new Image
	
	menuOff[i].src = "images/common/nav" + i + "off.gif"
	menuOn[i].src = "images/common/nav" + i + "on.gif"
}

function roll(which,status)
{	temp = new Image
	temp = (status) ? menuOn[which] : menuOff[which]
	{	if (dom1)
		{	document.getElementById("menu" + which).setAttribute("src",temp.src)
		}
		else if (is.nav4)
		{	document["nav" + which].document["menu" + which].src = temp.src
		}
		else
		{	document["menu" + which].src = temp.src
		}
	}
}

function tellFriend()
{	x = (screen.availWidth - 536) / 2 
	y = ((screen.availHeight - 398) / 2 ) - 30

	attribs = "width=536,height=398,left=" + x + ",top=" + y + ",scrollbars=no"
//	tf = window.open("tellfriend.html","tfWindow",attribs) 
	tf = window.open("http://apps.gemedicalsystems.com/geCommunity/tellafriend/tellafriend.jsp?tell_url=www.gemedicalsystems.com/4d","tfWindow",attribs) 	

}