function imgWindow(fileName, w, h) {
	window.open('http://posnation.com/graphics/00000001/'+fileName, 'image', 'resizable=1,width='+w+',height='+h+',left='+(screen.width-w)/2+',top='+(screen.height-h)/2);
}

function popupWindow(url, w, h) {
	window.open(url, 'popup', 'resizable=1,width='+w+',height='+h+',left='+(screen.width-w)/2+',top='+(screen.height-h)/2);
}

function bigPopupWindow(url, w, h) {
	window.open(url, 'popup', 'resizable=1,scrollbars=1,width='+w+',height='+h+',left='+(screen.width-w)/2+',top='+(screen.height-h)/2);
}

function addBookmark(title, url) {
  if (window.sidebar) { // firefox
  	window.sidebar.addPanel(title, url, "");
  }
  else if(window.opera && window.print) { // opera
  	var elem = document.createElement('a');
  	elem.setAttribute('href',url);
  	elem.setAttribute('title',title);
  	elem.setAttribute('rel','sidebar');
  	elem.click();
  } 
  else if(document.all) { // ie
  	window.external.AddFavorite(url, title);
  }
}