new function (){
var _self = this;
_self.width = 640;//设置默认最大宽度
_self.fontsize = 100;//默认字体大小
_self.widthproportion = function(){var p = (document.body&&document.body.clientwidth||document.getelementsbytagname("html")[0].offsetwidth)/_self.width;return p>1?1:p<0.5?0.5:p;};
_self.changepage = function(){
document.getelementsbytagname("html")[0].setattribute("style","font-size:"+_self.widthproportion()*_self.fontsize+"px !important");
}
_self.changepage();
window.addeventlistener('resize',function(){_self.changepage();},false);
};


$(function(){
      $("#submenu").click(function(){
		
                      $(this).parent().find("#panel").slidetoggle(200); 
					  if($(this).attr("data-number")==0){	
					      $(this).css("background-image","url(public/home/image/menur4_c5s.png)").attr("data-number","1");
					           }else{
						   $(this).css("background-image","url(public/home/image/menur4_c5.png)").attr("data-number","0");
						  }

							 });

	
 });