function mail(u, s, d, img)
{
var l="ilto";
	if (img == "txt")
		{document.write("<a"+" href="+"ma"+l+":"+u+"&#64;"+s+ "." +d+">"+u+"&#64;"+s+ "." +d+"</a>");}
	else
		{document.write("<a"+" href="+"ma"+l+":"+u+"&#64;"+s+ "." +d+">"+"<img src=\"img/"+img+"\" alt=\"E-mail\" /></a>");}
}