function printerFriendly(urlToOpen) {
		var x = (screen.width-800)/2, y = (screen.height-600)/2;
	  OpenWin = this.open(urlToOpen, "CtrlWindow", "width=800,height=600,toolbar=no,menubar=yes,location=no,scrollbars=yes,resizable=no, screenX="+x+", screenY="+y+", left="+x+", top="+y);
}

function recommend(urlRecommandForThisArticle) {
		var x = (screen.width-400)/2, y = (screen.height-300)/2;
	  OpenWin = this.open(urlRecommandForThisArticle, "CtrlWindow", "width=400,height=400,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no, screenX="+x+", screenY="+y+", left="+x+", top="+y);
}