function agents_available() {
document.getElementById('smartbutton').innerHTML = '<a href="" onClick="window.open(\'http://support.marketingtips.com/kb/chatsupport3.html\',\'custclient\',\'width=600,height=160,scrollbars=0\');return false;"><img src="http://www.marketingtips.com/images/afterhours_on.gif" width="121" height="73" border="0" /></a>';


return true;
}

// IF AGENTS ARE NOT AVAILABLE:
function agents_not_available() {
document.getElementById('smartbutton').innerHTML = '<img src="http://www.marketingtips.com/images/afterhours_off.gif" width="121" height="73" border="0" />';

return true;
}