function showhide(id)
{
subject = document.getElementById(id);
subject.style.display = subject.style.display!='block' ? 'block' : 'none';
}
function new_win(img, name, width, height) {
w1=window.open('','new_window','resizable=no,menubar=no,status=no,scrollbars=no,width='+width+',height='+height+'');
w1.document.open();
w1.document.write(""+name+"");
w1.document.write("
");
w1.document.write("");
w1.document.close();
w1.focus();
}