var logo = document.getElementById('logo');
var logo_ahref = logo.getElementsByTagName('a')[0];
var logo_img = logo.getElementsByTagName('img')[0];
var overlay1 =  new YAHOO.widget.Panel(
	'op_crx', {	
	    close:true, 
		visible:false,  
		zIndex:1000, 
		width:'900px',
        underlay:'shadow',
	} 
); 
var html = '<p>Car Rental Express is a travel search engine of independent car rental agencies who often have prices 15-30% lower than major brands. ' +
'Car Rental Express prides itself in providing you with the most comprehensive information you need before making your rental. ' +
'Each agency on our website is Renter Rated, by real renters, just like you, so you can choose the vehicle, price and location that best suits your needs.'+
'<h3>There are five quick and easy rental steps:</h3>' +
'<ul>' +
'    <li class="step1"><span>Select city or airport, dates and vehicle preference</span><img src="/images/home/step1_s.jpg" alt="Step 1" /></li>' +
'    <li class="step2"><span>Choose a vehicle from the agencies</span><img src="/images/home/step2_s.jpg" alt="Step 2" /></li>' +
'    <li class="step3"><span>Add options or extras and confirm your price</span><img src="/images/home/step3_s.jpg" alt="Step 3" /></li>' +
'    <li class="step4"><span>Enter your name and contact data</span><img src="/images/home/step4_s.jpg" alt="Step 4" /></li>' +
'    <li class="step5"><span>Receive confirmation email with the rental details</span><img src="/images/home/step5_s.jpg" alt="Step 5" /></li>' +
'</ul>' +
'<p><a href="#" id="po_close">Close this window</a> to Book online, instantly, now!</p>';

overlay1.setHeader('<h1>Welcome to CRX - Car Rental Express.com</h1>');
overlay1.setBody(html);
overlay1.render();

function mycallbackopen(e) {
	YAHOO.util.Event.preventDefault(e);  
	overlay1.show();
	YAHOO.util.Event.removeListener(logo_ahref, 'click');
	YAHOO.util.Event.addListener(logo_ahref, 'click', mycallbackclose);
    YAHOO.util.Event.addListener(document.getElementById('po_close'), 'click', mycallbackclose);
	return false; 
}
function mycallbackclose(e) {
	YAHOO.util.Event.preventDefault(e);  
	overlay1.hide();
	YAHOO.util.Event.removeListener(logo_ahref, 'click');
	YAHOO.util.Event.addListener(logo_ahref, 'click', mycallbackopen);
	return false; 
}

YAHOO.util.Event.addListener(logo_ahref, 'click', mycallbackopen);