/**
 * 重新载入验证码
 * 对应点击验证码图片的事件
 *
 */
function reload_validate_code(myurl, w, h, s){
	var reload_validate_img_response = function(oXML) {
		if(oXML) {
			$('#validate_img').attr({ src: oXML});
		}
	}
	w = typeof(w) == 'undefined' ? 50 : w;
	h = typeof(h) == 'undefined' ? 20 : h;
	s = typeof(s) == 'undefined' ? 1 : s;
	if(typeof(myurl) != 'object') {
		if(typeof(codeurl) == 'undefined') {
			var url	  = '../code/ajax.php?action=reload_validate_img&w='+w+'&h='+h;
		} else {
			var url	  = codeurl + '?action=reload_validate_img&w='+w+'&h='+h;
		}
	} else {
		w = myurl.width;
		h = myurl.height;
		//alert(myurl.width);
		//alert(h);
		var url	  = ajaxurl + '?action=reload_validate_img&w='+w+'&h='+h+'&s='+s;
	}
	var param = '';
	$.post(url, param, reload_validate_img_response);
}