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, 'top=10, left=10,width=780,height=780,scrollbars=yes');
return false;
}

function popup1(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname, 'top=10, left=10,width=780,height=380,scrollbars=yes');
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, windowname,'top=10, left=10,width=780,height=650,scrollbars=yes');
return false;
}

function popup3(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(href, windowname,'top=10, left=10,width=1100,height=800,scrollbars=yes');
return false;
}