if(document.images)
{
	var contact_1 = new Image(); contact_1.src = "/assets/images/footer/bt_contact_1.gif";
	var contact_2 = new Image(); contact_2.src = "/assets/images/footer/bt_contact_2.gif";
	
	var career_1 = new Image(); career_1.src = "/assets/images/footer/bt_career_1.gif";
	var career_2 = new Image(); career_2.src = "/assets/images/footer/bt_career_2.gif";
	
	var corporate_1 = new Image(); corporate_1.src = "/assets/images/footer/bt_ltcorporate_1.gif";
	var corporate_2 = new Image(); corporate_2.src = "/assets/images/footer/bt_ltcorporate_2.gif";
	
	var privacy_1 = new Image(); privacy_1.src = "/assets/images/footer/bt_privacy_1.gif";
	var privacy_2 = new Image(); privacy_2.src = "/assets/images/footer/bt_privacy_2.gif";
	
	var sitemap_1 = new Image(); sitemap_1.src = "/assets/images/footer/bt_sitemap_1.gif";
	var sitemap_2 = new Image(); sitemap_2.src = "/assets/images/footer/bt_sitemap_2.gif";
	
	var ybbasics_1 = new Image(); ybbasics_1.src = "/assets/images/menu/bt_ybbasics.gif";
	var ybbasics_2 = new Image(); ybbasics_2.src = "/assets/images/menu/bt_ybbasics_pressed.gif";

}

function imgSwap(imgName,newImg,winStat)
{
	if (document.images)
	{
		document.images[imgName].src = eval(newImg + ".src");
		window.status = winStat;
	}
}

/* Function: popWindow
 * -------------------
 * Generic popup window function, can be called from pretty much anywhere.
 * opens a popup window with passed in url, height, width, and name.  The 
 * popup window should open centered on the computer screen.
 * 
 */
function popWindow(url, name, width, height) {
	var x = (screen.width - width)/2;
	var y = (screen.height - height)/2;
    var opts = 'height=' + height + ',width=' + width + ",screenX=" + x + ",left=" + x + ",screenY=" + y + ",top=" + y + ',location=no,scrollbars=no,menubar=no,resizable=no,status=no,toolbar=no';

    var newWindow = window.open(url, name, opts);
    newWindow.focus();
}