[260] | 1 | function Connector() |
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| 2 | { |
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| 3 | this.__HTTP__ = []; |
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| 4 | this.__THREADS__ = []; |
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| 5 | } |
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| 6 | |
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| 7 | Connector.prototype = { |
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| 8 | 'go' : function() |
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| 9 | { |
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| 10 | // connection |
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| 11 | var index = 0; |
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| 12 | var rtlen = 0; |
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| 13 | var ie = false; // ie doesn't has stream |
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| 14 | var __this__ = this; |
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| 15 | function makeConnection(pThread) |
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| 16 | { |
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| 17 | __this__.__HTTP__[pThread] = xhr(); |
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| 18 | } |
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| 19 | function setPost(pThread) |
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| 20 | { |
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| 21 | __this__.__THREADS__[pThread].__METHOD__ = 'POST'; |
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| 22 | return true; |
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| 23 | } |
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| 24 | // this function set __this__.__THREADS__[?].__TYPE__ to 4 for request or 3 for stream |
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| 25 | function setStream(pThread) |
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| 26 | { |
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| 27 | __this__.__THREADS__[pThread].__TYPE__ = ( !ie ) ? 3 : 4; |
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| 28 | return true; |
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| 29 | } |
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| 30 | function trim(pData) |
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| 31 | { |
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| 32 | return pData.replace(/^ +| +$/g, ''); |
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| 33 | } |
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| 34 | function verifyUserHandler(pThread, pHandler) |
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| 35 | { |
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| 36 | var type_of_handler = typeof pHandler; |
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| 37 | var i; |
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| 38 | switch ( type_of_handler ) |
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| 39 | { |
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| 40 | case 'function' : |
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| 41 | return true; |
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| 42 | break; |
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| 43 | case 'object' : |
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| 44 | for ( i in pHandler ) |
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| 45 | if ( i != 'stream' && i != 'request' ) |
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| 46 | return false; |
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| 47 | else if ( i == 'stream' ) |
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| 48 | setStream(pThread); |
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| 49 | return true; |
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| 50 | break; |
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| 51 | default : |
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| 52 | return false; |
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| 53 | } |
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| 54 | } |
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| 55 | // xhr = XMLHttpRequest |
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| 56 | function xhr() |
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| 57 | { |
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| 58 | try |
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| 59 | { |
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| 60 | return new XMLHttpRequest(); |
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| 61 | } |
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| 62 | catch (e) |
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| 63 | { |
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| 64 | ie = true; |
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| 65 | try |
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| 66 | { |
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| 67 | return new ActiveXObject('Msxml2.XMLHTTP'); |
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| 68 | } |
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| 69 | catch (e1) |
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| 70 | { |
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| 71 | try |
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| 72 | { |
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| 73 | return new ActiveXObject('Microsoft.XMLHTTP'); |
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| 74 | } |
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| 75 | catch (e2) |
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| 76 | { |
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| 77 | return null; |
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| 78 | } |
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| 79 | } |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | function __HANDLER__() |
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| 84 | { |
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| 85 | try |
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| 86 | { |
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| 87 | if ( ie && __this__.__HTTP__[arguments[0]].readyState != 4 ) |
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| 88 | return false; |
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| 89 | |
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| 90 | var threadId = arguments[0]; |
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| 91 | |
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| 92 | if ( !threadId ) |
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| 93 | return false; |
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| 94 | |
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| 95 | if ( __this__.__HTTP__[threadId].readyState == 3 || __this__.__HTTP__[threadId].readyState == 4 ) |
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| 96 | { |
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| 97 | if ( !ie && __this__.__HTTP__[threadId].readyState == 3 && __this__.__THREADS__[threadId].__HANDLER__.stream ) |
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| 98 | { |
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| 99 | var data = trim(__this__.__HTTP__[threadId].responseText.substr(index)); |
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| 100 | rtlen = __this__.__HTTP__[threadId].responseText.length; |
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| 101 | if ( index < rtlen && data.length ) |
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| 102 | { |
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| 103 | __this__.__THREADS__[threadId].__HANDLER__.stream(data); |
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| 104 | index = rtlen; |
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| 105 | } |
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| 106 | } |
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| 107 | if ( __this__.__THREADS__[threadId].__HANDLER__.request && __this__.__HTTP__[threadId].readyState == 4 ) |
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| 108 | { |
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| 109 | switch ( __this__.__HTTP__[threadId].status ) |
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| 110 | { |
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| 111 | case 200: |
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| 112 | var stream = false; |
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| 113 | var request = false; |
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| 114 | var data = ( __this__.__THREADS__[threadId].__MODE__ == 'XML' ) ? |
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| 115 | __this__.__HTTP__[threadId].responseXML : |
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| 116 | __this__.__HTTP__[threadId].responseText; |
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| 117 | |
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| 118 | if ( ie && __this__.__THREADS__[threadId].__HANDLER__.stream ) |
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| 119 | stream = __this__.__THREADS__[threadId].__HANDLER__.stream; |
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| 120 | |
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| 121 | if ( __this__.__THREADS__[threadId].__HANDLER__.request ) |
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| 122 | request = __this__.__THREADS__[threadId].__HANDLER__.request; |
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| 123 | |
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| 124 | delete __this__.__THREADS__[threadId]; |
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| 125 | |
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| 126 | if ( stream ) |
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| 127 | stream(data); |
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| 128 | |
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| 129 | if ( request ) |
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| 130 | request(data); |
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| 131 | |
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| 132 | break; // [case : status 200] |
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| 133 | case 404: |
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| 134 | alert('Page Not Found!'); |
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| 135 | break; // [case : status 404] |
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| 136 | default: |
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| 137 | } |
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| 138 | } |
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| 139 | } |
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| 140 | } |
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| 141 | catch(e) |
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| 142 | { |
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| 143 | //alert("__HANDLER__\n" + threadId + "\n " + e + "\n ErroR: " + e.description); |
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| 144 | //delete __this__.__THREADS__[threadId]; |
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| 145 | } |
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| 146 | }; |
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| 147 | |
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| 148 | var argc = arguments.length; |
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| 149 | if ( argc < 2 || argc > 4 ) |
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| 150 | return {'error':'#0 - invalid params'}; |
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| 151 | |
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| 152 | if ( __this__.__THREADS__[arguments[0]] ) |
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| 153 | return {'error':'#2 - request is running'}; |
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| 154 | |
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| 155 | __this__.__THREADS__[arguments[0]] = { |
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| 156 | '__HANDLER__' : arguments[1], |
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| 157 | '__METHOD__' : 'GET', // __METHOD__ = [GET | POST] |
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| 158 | '__MODE__' : 'TEXT', // __MODE__ = [XML | TEXT] |
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| 159 | '__TYPE__' : 4 // __TYPE__ = [4 for request | 3 for stream] |
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| 160 | }; |
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| 161 | |
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| 162 | makeConnection(arguments[0]); |
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| 163 | |
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| 164 | if ( !verifyUserHandler(arguments[0], arguments[1]) ) |
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| 165 | { |
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| 166 | //delete __this__.__THREADS__[arguments[0]]; |
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| 167 | return {'error':'#1 - invalid handler'}; |
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| 168 | } |
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| 169 | |
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| 170 | if ( argc == 3 ) |
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| 171 | setPost(arguments[0]); |
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| 172 | |
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| 173 | if ( __this__.__HTTP__[arguments[0]] != null ) |
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| 174 | { |
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| 175 | try |
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| 176 | { |
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| 177 | var __TARGET__ = path_im + 'controller.php?act=' + arguments[0]; |
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| 178 | |
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| 179 | var __SEND__ = null; |
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| 180 | __this__.__HTTP__[arguments[0]].open(__this__.__THREADS__[arguments[0]].__METHOD__, __TARGET__, true); |
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| 181 | if ( __this__.__THREADS__[arguments[0]].__METHOD__ == 'POST' ) |
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| 182 | { |
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| 183 | __this__.__HTTP__[arguments[0]].setRequestHeader('Content-Type','application/x-www-form-urlencoded'); |
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| 184 | __this__.__HTTP__[arguments[0]].setRequestHeader('Cache-Control', 'no-store, no-cache, must-revalidate'); |
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| 185 | __this__.__HTTP__[arguments[0]].setRequestHeader('Cache-Control', 'post-check=0, pre-check=0'); |
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| 186 | __this__.__HTTP__[arguments[0]].setRequestHeader('Pragma', 'no-cache'); |
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| 187 | __SEND__ = 'act=' + arguments[0] + '&' + arguments[2]; |
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| 188 | } |
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| 189 | var tst = arguments[0]; |
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| 190 | __this__.__HTTP__[arguments[0]].onreadystatechange = function(){__HANDLER__(tst);}; |
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| 191 | __this__.__HTTP__[arguments[0]].send(__SEND__); |
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| 192 | } |
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| 193 | catch(e) |
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| 194 | { |
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| 195 | alert("go\n" + e.description); |
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| 196 | return {'error':'#3 - ' + e.description}; |
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| 197 | } |
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| 198 | } |
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| 199 | } |
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| 200 | }; |
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