function taste(){
		document.getElementById("tdtaste").className="Current";
		document.getElementById("tdserving").className="";
		document.getElementById("tdenvironment").className="";
		document.getElementById("tdprice").className="";
		document.getElementById("tdkoubeizonghe").className="";
		document.getElementById("taste").style.display="";
		document.getElementById("serving").style.display="none";
		document.getElementById("environment").style.display="none";
		document.getElementById("price").style.display="none";
		document.getElementById("koubeizonghe").style.display="none";

}
function serving(){	
		document.getElementById("tdtaste").className="";
		document.getElementById("tdserving").className="Current";
		document.getElementById("tdenvironment").className="";
		document.getElementById("tdprice").className="";
		document.getElementById("tdkoubeizonghe").className="";		
		document.getElementById("taste").style.display="none";
		document.getElementById("serving").style.display="";
		document.getElementById("environment").style.display="none";
		document.getElementById("price").style.display="none";
		document.getElementById("koubeizonghe").style.display="none";

}
function environment(){	
		document.getElementById("tdtaste").className="";
		document.getElementById("tdserving").className="";
		document.getElementById("tdenvironment").className="Current";
		document.getElementById("tdprice").className="";
		document.getElementById("tdkoubeizonghe").className="";		
		document.getElementById("taste").style.display="none";
		document.getElementById("serving").style.display="none";
		document.getElementById("environment").style.display="";
		document.getElementById("price").style.display="none";
		document.getElementById("koubeizonghe").style.display="none";

}
function price(){	
		document.getElementById("tdtaste").className="";
		document.getElementById("tdserving").className="";
		document.getElementById("tdenvironment").className="";
		document.getElementById("tdprice").className="Current";
		document.getElementById("tdkoubeizonghe").className="";		
		document.getElementById("taste").style.display="none";
		document.getElementById("serving").style.display="none";
		document.getElementById("environment").style.display="none";
		document.getElementById("price").style.display="";
		document.getElementById("koubeizonghe").style.display="none";

}
function koubeizonghe(){	
		document.getElementById("tdtaste").className="";
		document.getElementById("tdserving").className="";
		document.getElementById("tdenvironment").className="";
		document.getElementById("tdprice").className="";
		document.getElementById("tdkoubeizonghe").className="Current";		
		document.getElementById("taste").style.display="none";
		document.getElementById("serving").style.display="none";
		document.getElementById("environment").style.display="none";
		document.getElementById("price").style.display="none";
		document.getElementById("koubeizonghe").style.display="";

}