JS URI Params

paramsFromURI.js

/** @return A hash keyed by URI param name, values always being arrays */
function paramsFromURI(){
	var p = {};
	var a = document.location.search.substring(1).split(/[;&]+/);
	for (var i=0; i<a.length; i++){
		var kv = a[i].split(/=/);
		p[kv[0]] = p[kv[0]] || [];
		p[kv[0]].push( decodeURIComponent( kv[1] ) );
	}
	return p;
};