function ById(id) {return document.getElementById(id);}

//标签切换
var setH=false;
var webURL=document.location.href;
function showList(idLP,idCP,n,sum,idLchclass,idLunchclass,idCchclass,idCunchclass) {
//	idListPrefix,idContentPrefix,n,sum,idListchclass,idListunchclass,idContentchclass,idContentunchclass
	if(!idLunchclass)idLunchclass='';
	if(!idCchclass)idCchclass='dis';
	if(!idCunchclass)idCunchclass='undis';
	for(i=1;i<=sum;i++) {
		ById(idLP+i).className=idLunchclass;
		ById(idCP+i).className=idCunchclass;
	}
	ById(idLP+n).className=idLchclass;
	ById(idCP+n).className=idCchclass;
	if(setH==true){setObjHeight();}
}