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(){


	 $(".menu_and").click(function(){
	      $(this).parent().find("#menus").slidetoggle(200); 
	  if($(this).attr("data-number")==""){
	  		$(this).css("background-image","url(public/home/image/menub.png)").attr("data-number","1");
			$("#mobile_menu").css("display","block");
			
	 }else{
		  $(this).css("background-image","url(public/home/image/menubs.png)").attr("data-number","");
		 $("#mobile_menu").css("display","none");
	
		 }
	 });
	
 });	

	*/