var prefix = 'ma' + 'il' + 'to'; 
var path = 'hr' + 'ef' + '='; 
var addy22874 = 'kontakt' + '@'; 
addy22874 = addy22874 + 'csiffary' + '.' + 'eu'; 
document.write( '<a ' + path + '\'' + prefix + ':' + addy22874 + '\'>' ); 
document.write( addy22874 ); 
document.write( '<\/a>' );