function init_social(){
 var url = document.location.href;
  //facebook
 var fbURL = "http://facebook.com/sharer.php?u="+escape(url);
 var fbTag = document.getElementById("facebook");
 if(fbTag){
	 fbTag.href = fbURL;
	 fbTag.title = document.title;
 }
 //twitter
// var twitURL = "http://twitthis.com/twit?url="+escape(url);
 var twitURL = "http://twitter.com/home?status="+document.title+' - '+url;
 var twitTag = document.getElementById("twitter");
 if(twitTag){
	 twitTag.href = twitURL;
	 twitTag.title = document.title;
 }
 //digg
 var digURL = "http://digg.com/submit?phase=2&url="+escape(url);
 var digTag = document.getElementById("digg");
 if(twitTag){
	 digTag.href = digURL;
	 digTag.title = document.title;
 }
}

window.onload  = init_social;