/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.util.DelayedTask = function(E, D, A) {
	var G = null, F, B;
	var C = function() {
		var H = allGetServerTime().getTime();
		if (H - B >= F) {
			clearInterval(G);
			G = null;
			E.apply(D, A || [])
		}
	};
	this.delay = function(I, K, J, H) {
		if (G && I != F) {
			this.cancel()
		}
		F = I;
		B = allGetServerTime().getTime();
		E = K || E;
		D = J || D;
		A = H || A;
		if (!G) {
			G = setInterval(C, F)
		}
	};
	this.cancel = function() {
		if (G) {
			clearInterval(G);
			G = null
		}
	}
};