// javascript detect browser var agent = navigator.userAgent; var bn = navigator.appName; var nametemp, vertemp; if ((vertemp = agent.indexOf("Opera")) != -1) { bn = "opera"; } else if ((vertemp = agent.indexOf("MSIE")) != -1) { bn = "ie"; } else if ((vertemp = agent.indexOf("Chrome")) != -1) { bn = "chrome"; } else if ((vertemp = agent.indexOf("Safari")) != -1) { bn = "safari"; } else if ((vertemp = agent.indexOf("Firefox")) != -1) { bn = "firefox"; } else if ( (nametemp = agent.lastIndexOf(' ')+1) < (vertemp = agent.lastIndexOf('/')) ) { bn = agent.substring(nametemp, vertemp); if (bn.toLowerCase() == bn.toUpperCase()) { bn = navigator.appName; } } window.browser = bn;