/*��һ����ʽ �ڶ�����ʽ ����ʾ��ʽ*/
function setTab(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"on":"";
  con.style.display=i==cursel?"block":"none";
 }
}



function xxxholic(name, cursel, n, newClass) {
	newClass = (newClass == undefined)?'':newClass;
	for (i = 1; i <= n; i++) {
		var menu = document.getElementById(name + "_" + i);
		var con = document.getElementById("con_" + name + "_" + i);
		menu.className = i == cursel ? newClass+"on" : newClass;
		con.style.display = i == cursel ? "" : "none";
	}
}