// JavaScript Document
function $(id) {
	return document.getElementById(id);	
}

function tab(nameId,num,pic,hidName,showName,txt){
	var nid = $(nameId).getElementsByTagName("li");
	for (var i=0; i<pic; i++){
		nid[i].className = hidName+i;
		$(txt+i).style.display = 'none';
	}
	nid[num].className = showName+num;
	$(txt+num).style.display = 'block';
}


function bar(pid,ne) {
	var o = "sidebar";		//当前id名
	//var p = 7;			共有切换样式
	var nid = $(o).getElementsByTagName("li");
	
	for (var i=0; i<ne; i++){
		nid[i].className = 'side_h_'+i;
	}
	nid[pid].className = 'side_s_'+pid;
}