function hideObj(id) {
	document.getElementById(id).style.visibility	= 'hidden';
	document.getElementById(id).style.display		= 'none';
}
function showObj(id) {
	document.getElementById(id).style.visibility	= 'visible';
	document.getElementById(id).style.display		= '';
}

function openWindow(page,title,width,height)
{
    window.open(page,title,'width='+width+',height='+height);
}