#hid {
position:relative;
width:10px;
height:115px;
z-index:1;
left: 0px;
top: 252px;
background:#AE0202;
display:block;
}
<div id="hid"></div>
<div id="hleft"></div>
<script>
(function(){
var $=function(o) {return document.getElementById(o)},b=$('hid'),hl=$('hleft'),tmp=1
hl.style.display='none';
b.onclick=function() {
if (tmp) {
var bb = document.getElementById('hid');
hl.style.display='block';
tmp=0;
}else {
var bb = document.getElementById('hid');
hl.style.display='none';
tmp=1;
}
};
})()
</script>
