var URL="";
var asubwin="";

function opensubwin(URL) 
{
asubwin = window.open(URL,'subwindow','width=350 height=400');
asubwin.focus();
}

function closesubwin()
{
 if (asubwin && !asubwin.closed)
 {
 asubwin.close();
 }
}

function opensubwin2(URL) 
{
asubwin = window.open(URL,'subwindow','width=550 height=500 scrollbars=yes');
asubwin.focus();
}

function opensubwin3(URL) 
{
asubwin = window.open(URL,'subwindow','width=390 height=390');
asubwin.focus();
}