function popwin(mylink, windowname)
{
if (!window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
  else
   href=mylink.href;
window.open(href, windowname, 'width=500,height=285');
return false;
}

function popwin2(mylink, windowname)
{
if (!window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
  else
   href=mylink.href;
window.open(href, windowname, 'width=600,height=360');
return false;
}

function poplost1(mylink, windowname)
{
if (!window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
  else
   href=mylink.href;
window.open(href, windowname, 'width=400,height=150,left=620,top=560');
return false;
}

function poplost2(mylink, windowname)
{
if (!window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
  else
   href=mylink.href;
window.open(href, windowname, 'width=400,height=150,left=215,top=482');
return false;
}