function show1(getDirection){

if(getDirection=='W'){
document.getElementById('d1a').className ='selecth';
document.getElementById('d2a').className ='';
document.getElementById('d3a').className ='';
document.getElementById('div1a').style.display='block';
document.getElementById('div2a').style.display='none';
document.getElementById('div3a').style.display='none';


}

if(getDirection=='X'){
document.getElementById('d1a').className ='';
document.getElementById('d2a').className ='selecth';
document.getElementById('d3a').className ='';
document.getElementById('div1a').style.display='none';
document.getElementById('div2a').style.display='block';
document.getElementById('div3a').style.display='none';

}

if(getDirection=='Y'){
document.getElementById('d1a').className ='';
document.getElementById('d2a').className ='';
document.getElementById('d3a').className ='selecth';
document.getElementById('div1a').style.display='none';
document.getElementById('div2a').style.display='none';
document.getElementById('div3a').style.display='block';

}





}