var q=new Array();
function showhide(ve,ps)
{
    if(q[ve]==undefined) {
    q[ve]=new Array();
    v=document.getElementsByTagName('div');

    for(i=0;i<v.length;i++)
         if(v[i].getAttribute && v[i].getAttribute('id')==ve) q[ve][q[ve].length]=v[i];
    }

    for(i in q[ve])
    {
        if(q[ve][i].id && q[ve][i].id==ps) ps = i;

    q[ve][i].style.display='none';
    }

q[ve][ps].style.display='';

}