gistfile1.txt

function disable_submit_button(obj) {
	var selector = 'input[type="submit"]';
	var in_sub;
	if (!obj) {
		in_sub = document.querySelectorAll(selector);
	} else {
		var in_sub = obj.querySelectorAll(selector);
	}
	setTimeout(function(){
		if (in_sub) {
			for (var i=0; i< in_sub.length; i++) {
				$(in_sub[i]).attr('disabled', true);
			}
		}
	}, 1);
	return true;
}