var bbagWindow = 0;
var helpWindow = 0;
var winavailwidth = screen.availWidth;
var winX = ( winavailwidth - 475 ); 
var ns4 = (document.layers)? true:false
var ie4 = (document.all)? true:false
var winparams = "";

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  //  alert('linking away ....');
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}


function popupBBagWindow( URLstr, focusFlag )
{
  if (ie4)
  {
     winparams = 'scrollbars=yes,resizable=yes,width=450,height=400,left='+winX;

  }
  else
  {
	 winparams = 'scrollbars=yes,resizable=yes,width=450,height=400,screenX='+winX;

  }


    if ( bbagWindow && !bbagWindow.closed )
    {
        if ( focusFlag )
        {  bbagWindow.focus();   }
    }
    else
    {
	bbagWindow = window.open( '', "bookbag", winparams );
        if ( focusFlag )
        {      bbagWindow.focus( );      }
        else
        {       self.focus();    }
    }

    bbagWindow.document.write('<p>Retrieving bookbag, please wait ...</p>');
    bbagWindow.document.location = URLstr;
}




function popupHelpWindow( URLstr, focusFlag )
{
  if (ie4)
  {
     winparams = 'scrollbars=yes,resizable=yes,width=600,height=500';

  }
  else
  {
	 winparams = 'scrollbars=yes,resizable=yes,width=600,height=500';

  }


    if ( helpWindow && !helpWindow.closed )
    {
        if ( focusFlag )
        {  helpWindow.focus();   }
    }
    else
    {
	helpWindow = window.open( '', "bookbag", winparams );
        if ( focusFlag )
        {      helpWindow.focus( );      }
        else
        {       self.focus();    }
    }

    helpWindow.document.location = URLstr;
}