function ResponsivePC(btnID, width, btnReturnID){
var self = this;
this.width = width;
this.nowWidth = $.cookie("viewportWidth");
this.btnReturnID = btnReturnID;

	this.changeWidth = function(event){
		if (!this.nowWidth){
			this.nowWidth = self.width;

		}
		$.cookie("viewportWidth", self.width);
		self.registReturn();


		if (event.data){
			location.href=  '/';
		}else{
	  	$('meta[name=viewport]').attr('content','width=' + this.nowWidth);
		}

  }

	this.changeWidthReturn = function(event){
		$(self.btnReturnID).css('display', 'none');

		$.removeCookie("viewportWidth");

		if (event.data){
			location.href=  '/';
		}else{
	  	$('meta[name=viewport]').attr('content','width=device-width, user-scalable=yes, maximum-scale=1.0, minimum-scale=1.0');
		}
	}

	this.registReturn = function(){
		if (self.btnReturnID){
			$(self.btnReturnID).css('display', 'block');
			$(self.btnReturnID).bind('click', true, this.changeWidthReturn);
		}
	}

	if (this.nowWidth){
		this.changeWidth(false);
		this.registReturn();
	}

  $(btnID).bind('click', true, this.changeWidth);
}