function popup1(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href,'', 'width=850,height=650,scrollbars=no,resizable=yes,location=0');
return false;
}
function popup2(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href,'', 'width=750,height=600,top=100,left=100,scrollbars=yes,resizable=yes,location=0');
return false;
}