tracer says to #ysitd
+([\d\.]+)/.exec(a);if(d&&d[1])if(a=/Trident\/(\d.\d)/.exec(a),"7.0"==d[1])if(a&&a[1])switch(a[1]){case "4.0":c="8.0";break;case "5.0":c="9.0";break;case "6.0":c="10.0";break;case "7.0":c="11.0"}else c="7.0";else c=d[1];return