String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}
String.prototype.htmltags = function () {
	return this.replace(/<\/?[^>]+(>|$)/g, "");
}

function digg() {
	var base_url = 'http://digg.com/submit?';
	var phase = 'phase=2';
	var article_url = window.location;
	var title = document.getElementById('story_title').innerHTML;
	var bodytext = snippetwop(document.getElementById('bodytext').innerHTML, 350);
	bodytext = bodytext.htmltags();
	
	var url = base_url + phase + '&url=' + article_url + '&title=' + title
		+ '&bodytext=' + bodytext;
	
	var newwindow = window.open(url,'Digg! This Story');
	if (window.focus) {newwindow.focus();}
}

function facebook() {
	var base_url = 'http://www.facebook.com/sharer.php?';
	var article_url = window.location.href;
	var title = document.getElementById('story_title').innerHTML;
	
	var url = base_url + 'u=' + article_url + '&t=' + title;
	
	var newwindow = window.open(url,'Facebook!');
}

function snippetwop(text, length, tail) {
	var length = typeof(length) != 'undefined' ? length : 64;
	var tail = typeof(tail) != 'undefined' ? tail : '...';
	
	text = text.trim();
	var txtl = text.length;
	
	if(txtl > length) {
		for(var i=1; text[length-i]!=" "; i++) {
			if(i == length) {
				return text.substr(0,length) + tail;
			}
		}
		for(; text[length-i]=="," || text[length-i]=="." || text[length-i]==" "; i++) {;}
		text = text.substr(0,length-i+1) + tail;
	}
	return text;
}