var btn = {
	init: function() {
		if (!document.getElementById || !document.createElement || !document.appendChild) return false;
		as = btn.getElementsByClassName('btn(.*)');
		for (i = 0; i < as.length; i++) {
			if (as[i].tagName == "INPUT" && (as[i].type.toLowerCase() == "submit" || as[i].type.toLowerCase() == "button")) {
				var a1 = document.createElement("a");
				a1.appendChild(document.createTextNode(as[i].value));
				a1.className = as[i].className;
				a1.id = as[i].id;
				as[i] = as[i].parentNode.replaceChild(a1, as[i]);
				as[i] = a1;
				as[i].style.cursor = "pointer";
			}
			else if (as[i].tagName == "A") {
				var tt = as[i].childNodes;
			}
			else { return false };
			var i1 = document.createElement('i');
			var i2 = document.createElement('i');
			var s1 = document.createElement('span');
			var s2 = document.createElement('span');
			s1.appendChild(i1);
			s1.appendChild(s2);
			while (as[i].firstChild) {
				s1.appendChild(as[i].firstChild);
			}
			as[i].appendChild(s1);
			as[i] = as[i].insertBefore(i2, s1);
		}
		// The following lines submits the form if the button id is "submit_btn"
		btn.addEvent(document.getElementById('submit_btn'), 'click', function() {
			var form = btn.findForm(this);
			form.submit();
		});
		// The following lines resets the form if the button id is "reset_btn"
		btn.addEvent(document.getElementById('reset_btn'), 'click', function() {
			var form = btn.findForm(this);
			form.reset();
		});
	},
	findForm: function(f) {
		while (f.tagName != "FORM") {
			f = f.parentNode;
		}
		return f;
	},
	addEvent: function(obj, type, fn) {
		if (obj) {
			if (obj.addEventListener) {
				obj.addEventListener(type, fn, false);
			}
			else if (obj.attachEvent) {
				obj["e" + type + fn] = fn;
				obj[type + fn] = function() { obj["e" + type + fn](window.event); }
				obj.attachEvent("on" + type, obj[type + fn]);
			}
		}
	},
	getElementsByClassName: function(className, tag, elm) {
		var testClass = new RegExp("(^|\s)" + className + "(\s|$)");
		var tag = tag || "*";
		var elm = elm || document;
		var elements = (tag == "*" && elm.all) ? elm.all : elm.getElementsByTagName(tag);
		var returnElements = [];
		var current;
		var length = elements.length;
		for (var i = 0; i < length; i++) {
			current = elements[i];
			if (testClass.test(current.className)) {
				returnElements.push(current);
			}
		}
		return returnElements;
	}
}

btn.addEvent(window,'load', function() { btn.init();} );