function show_hide(id)
{
	el = document.getElementById(id);
	if (el.style.display == 'none')
	{
		el.style.display = '';
	}
	else
	{
		el.style.display = 'none';
	}
}

 function wOpen(addr) {
width = 650;
height = 550;
 win2 = open(addr,'win2','width='+width+',height='+height+',menubar=no,toolbar=no,status=no');
 }