/*
 * 选项卡
 * liqingqing 2014-11-20
 */
 var _bsjtabs=[];
 function bsjiselement(object) {
    return (null != object && 1 == object.nodetype && object.parentnode);
 }
 function initbsjtab(tabid,curcss,defcss,etype) {

    var tabobj = new object();
    tabobj.p = document.getelementbyid(tabid);
    tabobj.s = document.getelementbyid(tabid+"_content");
    tabobj.pc=[];
    for(var i=0;i<tabobj.p.childnodes.length;i++){
        var tem = tabobj.p.childnodes[i];
        if(bsjiselement(tem)  && tem.getattribute("tabidx")){
            tabobj.pc[tem.getattribute("tabidx")] = tem;
            if(etype=="onclick"){
                tem.onclick = function(){changbajtab(this,tabid);}
            }else{
                tem.onmouseover = function(){changbajtab(this,tabid);}
            }

        }
    }
    tabobj.sc=[];
    for(var i=0;i<tabobj.s.childnodes.length;i++){
        var tem = tabobj.s.childnodes[i];
        if(bsjiselement(tem)  && tem.getattribute("tabidx")){
            tabobj.sc[tem.getattribute("tabidx")] = tem;
        }
    }
    tabobj.curcss = curcss;
    tabobj.defcss = defcss;
    _bsjtabs[tabid] = tabobj;

 }
 function changbajtab(obj,tabid) {
    for(var i=0;i<_bsjtabs[tabid].pc.length;i++){
        var tem = _bsjtabs[tabid].pc[i];

        if(bsjiselement(tem) &&  tem.getattribute("tabidx")){
            var tabidx = tem.getattribute("tabidx");
            tem.classname =  (obj ==tem)?_bsjtabs[tabid].curcss:_bsjtabs[tabid].defcss;
            _bsjtabs[tabid].sc[tabidx].style.display= (obj ==tem)? "":"none";

        }
    }

 }