function openNewWindow(url,width,height,iDefaultPosTop,iDefaultPosLeft,Userparam){
	var iPosLeft;
	var iPosTop;
	if (screen.width){
 		iPosLeft=(screen.width/2)-width/2;
 		iPosTop=(screen.height/2)-height/2;
	}
	else{
 		iPosLeft=iDefaultPosLeft;
 		iPosTop=iDefaultPosTop;
	}
	param=Userparam+",top="+String(iPosTop)+",left="+String(iPosLeft);
	window.open(url, "", "width="+width+",height="+height+","+param);
}

function addToFavorites(pagename){
if(navigator.appName == "Microsoft Internet Explorer"){
	window.external.AddFavorite(location.href,pagename)
	}else{
	// this is not an Internet Explorer
	alert("Your browser does not support automated adding to favourites, probably you are not using Internet Explorer. However, please use your browsers menu command for bookmarking instead. Thank you!");
	}
	return false;
}