function popup_centered(url, height, width, scroll)
{
	var left	= (screen.width - width) / 2;
	var top		= (screen.height - height - 60) / 2;
	var config	=
		'width='+width+',height='+height+',resizable=no,statusbar=0,top='+top+',left='+left;

	if (scroll == true)
	{
		config += ',scrollbars=yes';
	}
	else
	{
		config += ',scrollbars=no';
	}
		
	return window.open(url, '', config);
}
function swap( eleName , inout ) {
	var element = document.getElementById(eleName);
	element.src = "images/" + eleName + "-" + inout + ".gif";
}

var live = new Image();
	live.src = "/images/live-2.gif";
var myaccount = new Image();
	myaccount.src = "/images/myaccount-2.gif";
var contactus = new Image();
	contactus.src = "/images/contactus-2.gif";
var learn = new Image();
	learn.src = "/images/learn_more-2.gif";
var plans = new Image();
	plans.src = "/images/plans_and_pricing-2.gif";
var trial = new Image();
	trial.src = "/images/trial-get-started-2.gif";