function RevealLogin(t){
if(t>=0){
document.getElementById("SignInCover").style.height=t;
t = t - 2;
setTimeout("RevealLogin("+t+")",10);
}

}

function showEmail(id,pre){
document.getElementById(id).href="mailto:"+pre+"@colt-industrial.co.uk";
document.getElementById(id).innerHTML="<u>"+pre+"@colt-industrial.co.uk</u>";
}