var win = null;
function CenterWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	win = window.open(mypage,myname,settings)
}

function open_win(url,height,width)
{
if (!width) width=800;
if (!height) height=600;
window.open(url,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width="+width+", height="+height+"");
}

function close_wnd ()
{
// предка - перегрузить
window.opener.location.reload();
// себя закрыть
self.close();
return false;
}