function popup (mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname, 'width=675,height=500,left=160,top=80,location=center,resizable=yes,scrollbars=yes,toolbar=no');
return false;
}

function mypop (mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname, 'width=750,height=500,left=20,top=40,location=center,resizable=yes,scrollbars=yes,toolbar=no');
return false;
}

function mycoupon (mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname, 'width=950,height=450,top=170,left=10,location=center,resizable=yes,scrollbars=yes,toolbar=no');
return false;
}