var strOS, strBrowser, strTemp;
   
  strOS = "other";
  strBrowser = "other";  
 
  strTemp = navigator.appVersion.toLowerCase();
 
  if (strTemp.indexOf("win") > 0)
   strOS = "win";
  if (strTemp.indexOf("mac") > 0)
   strOS = "mac";

  if (strTemp.indexOf("msie") > 0)
   strBrowser = "msie";
  if (strTemp.indexOf("safari") > 0)
   strBrowser = "safari";
   

if ((strOS.toLowerCase() == "win") && (strBrowser.toLowerCase() == "msie")){
//document.write ('<style type="text/css">.sample{display: none;left: 155px;}</style>');
 }

if ((strOS.toLowerCase() == "mac") && (strBrowser.toLowerCase() == "safari")){
document.write ('<style type="text/css">#callout{width:12px;height:15px;float:none;padding-left:10px;position:relative;top:2px;}#news{margin-top:6px;}#newscontact_button{width:250px;float:left;margin-top:3px;position:relative;left:20px;height:15px;padding-bottom: 2px;margin-left:20px;}</style>');
 }

if ((strOS.toLowerCase() == "mac") && (strBrowser.toLowerCase() == "other")){
document.write ('<style type="text/css">#callout{width:12px;height:15px;float:none;padding-left:10px;position:relative;top:2px;}#news{margin-top:6px;}</style>');
 }