function sideL(flag,total){
	for(var i=1;i<=total;i++){
		var leftItem=document.getElementById("leftItem"+i);
		var leftSide=document.getElementById("leftSide"+i);
		leftItem.className=i==flag?"onact":"";
		leftSide.style.display=i==flag?"block":"none";
	}
}

function up(subi){
	for(var i=3;i<=subi;i++){
		var oo=document.getElementById("leftItem"+i);
		oo.style.color="#807e7f";
	}
}