/* jQuery图片预加载插件。  Dev By CssRain.cn */
jQuery.fn.loadthumb = function(options) {
     $('#'+options.lodingid).addClass('loading');
	options = $.extend({
		 src : ""
	},options);
	var _self = this;
	_self.hide();
	var img = new Image();
	$(img).load(function(){
		_self.attr("src", options.src);
		_self.fadeIn("slow",function(){
		    $('#'+options.lodingid).removeClass();
		});
	}).attr("src", options.src);  
	return _self;
}
Date.prototype.format   =   function(format)   
{   
  var   o   =   {   
      "M+"   :   this.getMonth()+1,   //month   
      "d+"   :   this.getDate(),         //day   
      "h+"   :   this.getHours(),       //hour   
      "m+"   :   this.getMinutes(),   //minute   
      "s+"   :   this.getSeconds(),   //second   
      "q+"   :   Math.floor((this.getMonth()+3)/3),     //quarter   
      "S"   :   this.getMilliseconds()   //millisecond   
  }   
  if(/(y+)/.test(format))   format=format.replace(RegExp.$1,   
      (this.getFullYear()+"").substr(4   -   RegExp.$1.length));   
  for(var   k   in   o)if(new   RegExp("("+   k   +")").test(format))   
      format   =   format.replace(RegExp.$1,   
          RegExp.$1.length==1   ?   o[k]   :     
              ("00"+   o[k]).substr((""+   o[k]).length));   
  return   format;   
};