function popUp(sURL, iWidth, iHeight)
{

	subWinXpos = (screen.width / 2) - (iWidth / 2);
	subWinYpos = (screen.height / 2) - (iHeight / 2);
	subWinAttr = 'toolbar=0,'
	+ 'scrollbars=1,'
	+ 'location=0,'
	+ 'statusbars=0,'
	+ 'menubar=no,'
	+ 'resizable=0,'
	+ 'width=' + iWidth + ','
	+ 'height=' + iHeight + ','
	+ 'left=' + subWinXpos + ','
	+ 'top=' + subWinYpos;

  window.open(sURL, 'popup', subWinAttr);

}

$(document).ready(function(){

  $("a.popup").click(function(){
    popUp( $(this).attr('href'), 1024, 768 );
    return false;
  });

});