var isfirst=true;
function showcitys()
{
    document.getElementById('citysdiv').style.display='block';
    var v1=document.getElementById('S_Cartype2');
    if(v1 !=null)
    {v1.style.display='none';}
}
function closecitydiv()
{
    document.getElementById('citysdiv').style.display='none';
    var v1=document.getElementById('S_Cartype2');
    if(v1 !=null)
    {v1.style.display='block';}
}
function tbclear(vv)
{

    if(vv.value=='请输入关键字')
    {
        vv.value="";
        isfirst=false;
    }
}

function vcar()
{
    var cardiv=document.getElementById('tcar');
    if(cardiv.style.display=='none')
    {cardiv.style.display='block';}
    else
    {cardiv.style.display='none';}
}

function sohcars(o1) {
    var sss = document.getElementById(o1);
    if (sss != null) {
        sss.style.display = '';
    }
}

function hohcars(o1) {
    var sss = document.getElementById(o1);
    if (sss != null) {
        sss.style.display = 'none';
    }
}