var opera = (navigator.appName.indexOf("Opera") != -1) ? true : false;
var firefox = navigator.userAgent.toLowerCase(); 
    firefox = (firefox.indexOf("firefox") != -1) ? true : false;
var safari = navigator.userAgent.toLowerCase();
    safari = (safari.indexOf("safari") != -1) ? true : false;
var msie_only = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;
var msie_old = false; //all versions of MSIE older than 7
var msie_70  = false; // MSIE vesrion 7.0 or newer
var msie_60  = false; // only MSIE 6.0
var msie_55  = false; // only MSIE 5.5

if (msie_only) {
  fullVerStr = navigator.appVersion;
  verStr = fullVerStr.substring(fullVerStr.indexOf('MSIE')+4,fullVerStr.length);
  verStr = verStr.substring(0,verStr.indexOf(';'));
  msie_old = (parseFloat(verStr) <  7.0) ? true : false;
  msie_70  = (parseFloat(verStr) >= 7.0) ? true : false;
  msie_60  = (parseFloat(verStr) == 6.0) ? true : false;
  msie_55  = (parseFloat(verStr) == 5.5) ? true : false;
}

document.writeln('<style type="text/css">\n/*<![CDATA[*/\n');
if (msie_old == true) {
  document.writeln('.CategoryContainer {height:400px;}\n');
  document.writeln('.CategoryOfferList {height:400px;}\n');
}
document.writeln('/*]]>*/\n</style>\n');