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

  if (strTemp.indexOf("safari") > 0)
   strBrowser = "safari";
  
   
if ((strOS.toLowerCase() == "mac") && (strBrowser.toLowerCase() == "safari")){

document.write ('<style type="text/css">.per{ width:675px; height:118px; margin-top:28px; position:relative; background:url("images/personal_website_back.jpg") no-repeat left top;}</style>');

document.write ('<style type="text/css">.chat_button{ float:left; margin-top:5px; margin-left:7px;}</style>');

document.write ('<style type="text/css">.main_area{ width:984px; padding-left:8px; padding-bottom:8px;}</style>');

  }

if ((strOS.toLowerCase() == "other") && (strBrowser.toLowerCase() == "safari")){

document.write ('<style type="text/css">.per{ width:675px; height:118px; margin-top:28px; position:relative; background:url("images/personal_website_back.jpg") no-repeat left top;}</style>');

document.write ('<style type="text/css">.chat_button{ float:left; margin-top:5px; margin-left:7px;}</style>');

document.write ('<style type="text/css">.main_area{ width:984px; padding-left:8px; padding-bottom:8px;}</style>');

  }