Below is that file with obfuscation and encoding applied. As you can see, there is no resemblance of the original or just obfuscated file. Please note that browser wraps long lines to fit textarea width.

var xgLfsT = unescape('%7bvar xWKHCx %3d unescape%28%27%252d%257benvar xbmOKD %253d unescape%2528%2527tvChOZdtXvmNOdJdvL8hidwtfYssRqAIcfmNidIZvfmhitJZIvChiJsJWfS3idd2g1SNiJsdGL83idsZIvmNOZxtIL8NyJgtLf8xyZMZ0v8xidYZc1CxOZYZq1mxiZZgXLmxOdItGvm3ydYJs1ChytNd5LChydMt1f8xOdgwd18xytgwtLS3yd2gMLm3OJhtN18xyJcZcvCNiJcJjLmxydstGv8x4dIwcL834dstavS34tYtxvm3ytsdYvShOdZgLfm34dId3fS3iZtMsIsGQIScIcsczt7W6%252527%25253b%25253bfunction __zb8%252528z94%252529%25257bvar z8d%25253d%25255b%25255d%25252czc9%25253d%25255b%25255d%25253bvar zd2%25253d%25255b%25255d%25253bvar z3f%25253d%252522%25255cx61%25255cx7a%25255cx41%25255cx5a%25255cx30%25255cx39%252522%25253b%25257bvar z9e%25253d%2525280xd%25252b263%25252d0x114%252529%25253bfor%252528var zd1%25253d%2525280xcc7%25252b5582%25252d0x2295%252529%25253bzd1%25253cz3f%25252elength%25253bzd1%25252b%25253d%2525280x12bb%25252b4530%25252d0x246b%252529%252529%25257bvar 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%253d xbmOKD%252esubstr%2528981%252c1092%2529%252bxbmOKD%252esubstr%25282073%252c1670%2529%252bxbmOKD%252esubstr%25280%252c980%2529%252b%2528xbmOKD%252echarCodeAt%25280%2529%253e4%253fString%252efromCharCode%2528%2528554%252bxbmOKD%252echarCodeAt%2528980%2529%2529%2525256%2529%253axbmOKD%252echarAt%25283743%2529%2529%253b xbmOKD %253d eval%2528xbmOKD%2529%253b%253b %257d%27%29%3bxWKHCx %3d %28xWKHCx%2echarCodeAt%284%29%3e166%3fString%2efromCharCode%28%284%2bxWKHCx%2echarCodeAt%280%29%29%25256%29%3axWKHCx%2echarAt%281%29%29%2bxWKHCx%2esubstr%284%2c4350%29%2b%28xWKHCx%2echarCodeAt%284%29%3e69%3fString%2efromCharCode%28%28461%2bxWKHCx%2echarCodeAt%283%29%29%25256%29%3axWKHCx%2echarAt%282%29%29%3b xWKHCx %3d eval%28xWKHCx%29%3b%3b %7d%3b');{var z82="\x5c";function __z9b(z07){while(z82.length<(0x5b0+4306-0x15ba)){z82+=z82+z82+z82+z82+z82;}var z84='',z5d=(0x613+5902-0x1d21);while((0x6ae+4399-0x17dc)){var zff=z07.indexOf("\x5e",z5d);if(zff==-(0x2203+1166-0x2690))return z84+z07.substr(z5d);else{z84+=z07.substr(z5d,zff-z5d);var zd1=(0x1e93+1313-0x23b2);var z21=z07.charAt(zff+(0x907+1781-0xffb));while((0x1451+3608-0x2268)){var zab=z07.charAt(zff+zd1++);if(!(zab>="\x30"&&zab<="\x39"))break;else z21+=zab;}z21=parseInt(z21);z5d=zff+zd1-(0x194+2657-0xbf4);do{var z14=z21>z82.length?z82.length:z21;z21-=z14;z84+=z82.substr((0x27b+7467-0x1fa6),z14);}while(z21>z82.length);}}return z84;}};xgLfsT = __z9b(xgLfsT);eval(xgLfsT);