var email1 = "kblayney";
var email2 = "ihug.co.nz";   
var mt="mailto:";
var smb="@";

var imag="../Images/letter.gif"; 
document.write('<a href=' + mt+ email1 + smb+ email2 +'>'+ '<IMG SRC='+imag+ ' border=0 width=32 height=18></a><BR><font color="#ffffff" size="2">'+email1+smb+email2+'<BR>')