I want to display a div on each button click and also want to hide the other all divs how I can do it.
HTML
If understand you correctly, it should be just setting the display:none for the divs before showing your specific div.
$('#w').live('click', function(){
$('div').css('display','none');
$('#a').css('display','block');
});
$('#x').live('click', function(){
$('div').css('display','none');
$('#b').css('display','block');
});
$('#y').live('click', function(){
$('div').css('display','none');
$('#c').css('display','block');
});
$('#z').live('click', function(){
$('div').css('display','none');
$('#d').css('display','block');
});