新手求助：onclick显示改成直接显示出来

function JumpSearchLayerstd(typeid,positionid,arrayid,fname,vname,tname)
{
var objllist=document.getElementsByTagName('select');
for(var i=0;i<objllist.length;i++)
{
objllist[i].style.visibility="hidden";
} 
document.all.bodyly.style.display="block";
document.all.bodyly.style.width=document.body.clientWidth;

if (document.body.scrollHeight>document.body.clientHeight)
{document.all.bodyly.style.height=document.body.scrollHeight;}
else
{document.all.bodyly.style.height=document.body.clientHeight;}

document.getElementById("SearchDivhire").style.display='block';
document.all.SearchDivhire.style.top=document.documentElement.scrollTop+60;  
document.all.SearchDivhire.style.left=document.body.clientWidth/2-280;
var onecount;
if (arrayid==1)
{
onecount=positionarray.length;
arraynames=positionarray;
document.getElementById("wintit").innerHTML='请选择岗位类别';
strs='<span style=line-height:24px;font-weight:bold; font-size:13px;>请选择职位</span>';
}
if (arrayid==2)
{
onecount=provincearray.length;
arraynames=provincearray;
document.getElementById("wintit").innerHTML='请选择所在省会';
strs='<span style=line-height:24px;font-weight:bold; font-size:13px;>请选择城市</span>';
}
if (arrayid==3)
{
onecount=positionarrays.length;
arraynames=positionarrays;
document.getElementById("wintit").innerHTML='请选择岗位类别';
strs='<span style=line-height:24px;font-weight:bold; font-size:13px;>请选择职位</span>';
}
if (arrayid==4)
{
onecount=tradearray.length;
arraynames=tradearray;
document.getElementById("wintit").innerHTML='请选择行业类别';
strs='<span style=line-height:24px;font-weight:bold; font-size:13px;>请选择行业</span>';
}
if (arrayid==5)
{
onecount=professionarray.length;
arraynames=professionarray;
document.getElementById("wintit").innerHTML='请选择专业类别';
strs='<span style=line-height:24px;font-weight:bold; font-size:13px;>请选择专业</span>';
}
var i;
str='';
if (typeid==2)
{
str='';
}
else
if (typeid==0)
{
str='';
}
else
{
str=strs;
}
for (i=0;i<onecount;i++)
{
if (typeid==2)
{
document.getElementById("hiretype").innerHTML='';
str+='<li style="float:left;width:170px;height:20px;cursor:pointer;" onclick=document.'+fname+'.'+vname+'.value="'+arraynames[i][0]+'";document.'+fname+'.'+tname+'.value="'+arraynames[i][2]+'";unSearchLayers();>'+arraynames[i][0]+'</li>'
document.getElementById("hiretypes").innerHTML=str;
}
else
if (arraynames[i][1] == positionid)
{
if (typeid==0)
{
document.getElementById("hiretype").innerHTML='';
str+='<li onclick=JumpSearchLayerstd(1,'+arraynames[i][2]+','+arrayid+',"'+fname+'","'+vname+'","'+tname+'"); onmouseover=this.style.background="#F1F8FC" onmouseout=this.style.background="" style="float:left;width:170px;height:20px;cursor:pointer;">'+arraynames[i][0]+'</li>'
document.getElementById("hiretypes").innerHTML=str;
}
//写地区的一级城市
else if (typeid==4)
{
document.getElementById("hiretype").innerHTML='';
document.getElementById("hiretypesss").innerHTML='';
str+='<li onclick=JumpSearchLayerstd(5,'+arraynames[i][2]+','+arrayid+',"'+fname+'","'+vname+'","'+tname+'"); onmouseover=this.style.background="#F1F8FC" onmouseout=this.style.background="" style="float:left;width:170px;height:20px;cursor:pointer;">'+arraynames[i][0]+'</li>'
document.getElementById("hiretypes").innerHTML=str;
}
//写地区的三级城市
else if (typeid==5)
{
document.getElementById("hiretype").innerHTML='';
str+='<li onclick=JumpSearchLayerstd(1,'+arraynames[i][2]+','+arrayid+',"'+fname+'","'+vname+'","'+tname+'"); onmouseover=this.style.background="#F1F8FC" onmouseout=this.style.background="" style="float:left;width:170px;height:20px;cursor:pointer;">'+arraynames[i][0]+'</li>'
document.getElementById("hiretypesss").innerHTML=str;
}
else
{
document.getElementById("hiretype").innerHTML='';
str+='<li style="float:left;width:170px;height:20px;cursor:pointer;" onclick=document.'+fname+'.'+vname+'.value="'+arraynames[i][0]+'";document.'+fname+'.'+tname+'.value="'+arraynames[i][2]+'";unSearchLayers();>'+arraynames[i][0]+'</li>'
document.getElementById("hiretype").innerHTML=str;
}
}
}
}
这个函数要通过点击大类才能显示小类，我想让大类是小类同时显示出来，不用点击。
另外这些分类我想改成复选，可以选择的。谢谢了。