function po(page)
{ 
   w=window.open(page,'se','scrollbars=yes,width=450,height=500,resizable=no');
   w.focus();
	
}

function po2(page)
{
   w=window.open(page,'se','scrollbars=yes,width=700,height=600,resizable=yes');
   w.focus();
	
}

function po3(page)
{
   w=window.open(page,'se','scrollbars=yes,width=630,height=550,resizable=yes');
   w.focus();
	
}

function xypo(page, xsize, ysize)
{
   w=window.open(page,'picture','scrollbars=no,width=' + xsize + ',height=' + ysize + ',resizable=yes');
   w.focus();
	
}