Pootify Bookmarklet

pootify.js

// TODO Use the DOM Mutation API!
(function switchText(node) {
	var nodes = node.childNodes;
	for (var n = 0; n < nodes.length; n++) {
		if (nodes[n].nodeName.match(/(script|style)/i)); else
		if (nodes[n].nodeType == 3) {
			if (!/^\s+$/.test(nodes[n].value)) {
				nodes[n].data = nodes[n].data.replace(/[a-zA-Z]+/g, function(w) {
					return (w.match(/^(the|on|are|if|is|and|or|you|your|a|an)$/i))
						? w
						: w.length > 4 ? new Array(~~(w.length / 4)).join('poot') : 'poot';
				});
			}
		}
		else {
			switchText(nodes[n])
		}
	}
})(document.body)