// JavaScript Document

var prev;
function showCon(obj){
	//隐藏前一个
	if(prev!=null){
		document.getElementById("con"+prev).style.display="none";
		document.getElementById("m"+prev).className="pa";
	}
	
	//顯示这一个
	document.getElementById("con"+obj).style.display="block";
	document.getElementById("m"+obj).className="paA";
	
	prev=obj;
}
function proDo(obj){
	var cls=document.getElementById("listC"+obj);
	var pro=document.getElementById("C"+obj);
	var dot=document.getElementById("dot"+obj);
	if(pro.style.display=="none" || pro.style.display==""){
		pro.style.display="block";
		dot.src="img/s.gif";
	}else{
		pro.style.display="none";
		dot.src="img/b.gif";
	}
}