function ShowContent(Num){
if (Num==1){
	document.getElementById("KJTopic1").className="KJCurTopic";
	document.getElementById("KJTopic2").className="KJTopic";
	document.getElementById("KJContent1").style.display="";
	document.getElementById("KJContent2").style.display="none";
}else{
	document.getElementById("KJTopic1").className="KJTopic";
	document.getElementById("KJTopic2").className="KJCurTopic";
	document.getElementById("KJContent1").style.display="none";
	document.getElementById("KJContent2").style.display="";
}
}