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

function opensubwin(URL) 
{
asubwin = window.open(URL,'subwindow','width=450 height=600');
asubwin.focus();
}

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

function opensubwin2(URL) 
{
asubwin = window.open(URL,'subwindow','width=700 height=600');
asubwin.focus();
}

function opensubwin3(URL) 
{
asubwin = window.open(URL,'subwindow','width=360 height=430');
asubwin.focus();
}

function opensubwin4(URL) 
{
asubwin = window.open(URL,'subwindow','width=980,height=500,scrollbars=yes,resizable=yes');
asubwin.focus();
}