//special window
var SpecialWindow = 0;
function open_window( URLstr ) {

    if ( SpecialWindow && ( ! SpecialWindow.closed ) )
    {
	SpecialWindow.focus();
    }
    else
    {
	SpecialWindow = window.open(URLstr, "special", "alwaysraised=1,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=470,height=350");
    }

    SpecialWindow.document.location = URLstr;
}





// for y3
var mainwindow = 0;
function gotoY3Window( URLstr )
{
   window.close('special');

    
    if ( mainwindow && ( ! mainwindow.closed ) )
    {
    mainwindow.focus();
    mainwindow.location = URLstr;
    
    }
    else
    {
	mainwindow = window.open( '', "mainwindow", "scrollbars=1,resizable=1,width=650,height=550" );
	mainwindow.location = URLstr;
    }

   
}