var last_expanded = '';



function showHide(id)

{

var obj = document.getElementById(id);



var status = obj.className;



if (status == 'hide') {



if (last_expanded != '') {

var last_obj = document.getElementById(last_expanded);

last_obj.className = 'hide';

}



obj.className = 'show';



last_expanded = id;

} else {

obj.className = 'hide';

}

}