// JavaScript Document

//浮层

function onclia(){
	document.getElementById("cpdbca").style.display="block";
}
function clia(){
		document.getElementById("cpdbca").style.display="none";
}


//

function knock(n){
	
	if (n==1){
		document.getElementById("img1").src="images/pic_1.jpg";
		document.getElementById("img2").src="images/pic_3.jpg";
		document.getElementById("related").className="blacka";
		document.getElementById("time").className="greyZa";
		document.getElementById("switcha").style.display="block";
		document.getElementById("switchb").style.display="none";
		}
	else if (n==2){
		document.getElementById("img2").src="images/pic_1.jpg";
		document.getElementById("img1").src="images/pic_3.jpg";
		document.getElementById("related").className="greyZa";
		document.getElementById("time").className="blacka";
		document.getElementById("switcha").style.display="none";
		document.getElementById("switchb").style.display="block";
		
		
		}
	}