function guard(text,alias,domain){
var a1,b2,c3,d4,e5,f6,g7,h8,i9,j0,k1,l2,m4,n5
h8='<a href="mailto:'
i9=alias
j0='@'
k1=domain
l2='">'
m4=text
n5='</a>'
a1=h8
b2=i9
c3=j0
d4=k1
e5=l2
f6=m4
g7=n5
document.write(a1+b2+c3+d4+e5+f6+g7)
}

//Usage in html: <script>guard("email the webmaster","webmaster","gatewaymedia.org.uk")</script>