function PasteEmail(span_id, first_part, last_part, domen)
{
    var span = document.getElementById(span_id);
    var val = first_part+'@'+last_part+'.'+domen;
    span.innerHTML = '<a href="mailto:'+val+'" class="BottomText">'+val+'</a>';
}


<!-- Hide from non-JavaScript Browsers    
// Netscape 3.0 compatibility test (for javascript image swapping)

compat = false;
if( parseInt( navigator.appVersion ) >= 3 ) { compat = true; }

// cache images for quick swapping
if( compat )
{
mid0on = new Image;
mid0on.src = "/images/mid_bar.jpg";
mid0off = new Image;
mid0off.src = "/images/mid0_off.jpg";

mid2on = new Image;
mid2on.src = "/images/mid_bar.jpg";
mid2off = new Image;
mid2off.src = "/images/mid2_off.jpg";

mid4on = new Image;
mid4on.src = "/images/mid_bar.jpg";
mid4off = new Image;
mid4off.src = "/images/mid4_off.jpg";

mid6on = new Image;
mid6on.src = "/images/mid_bar.jpg";
mid6off = new Image;
mid6off.src = "/images/mid6_off.jpg";

mid8on = new Image;
mid8on.src = "/images/mid_bar.jpg";
mid8off = new Image;
mid8off.src = "/images/mid8_off.jpg";

mid10on = new Image;
mid10on.src = "/images/mid_bar.jpg";
mid10off = new Image;
mid10off.src = "/images/mid10_off.jpg";

mid12on = new Image;
mid12on.src = "/images/mid_bar.jpg";
mid12off = new Image;
mid12off.src = "/images/mid12_off.jpg";

mid14on = new Image;
mid14on.src = "/images/mid_bar.jpg";
mid14off = new Image;
mid14off.src = "/images/mid14_off.jpg";
}

// swap images using the cached images

function swap(x, y)
{
   if( compat ) { document.images[x].src=eval(y+'.src'); }

}

// Stop Hiding from non-JavaScript Browsers-->