function launchWindow(url, features) { 
	window.open(url, "_blank", features);
}

function showhide(el, part) {
	if (document.getElementById(part).style.display=='none') {
		  document.getElementById(part).style.display = "block"; 
	} else if (document.getElementById(part).style.display=='block') { 
		document.getElementById(part).style.display = "none"; 
	}
}