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1 //////////////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // ADOBE SYSTEMS INCORPORATED |
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4 // Copyright 2006-2007 Adobe Systems Incorporated |
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5 // All Rights Reserved. |
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6 // |
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7 // NOTICE: Adobe permits you to use, modify, and distribute this file |
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8 // in accordance with the terms of the license agreement accompanying it. |
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9 // |
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10 //////////////////////////////////////////////////////////////////////////////// |
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11 |
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12 /** |
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13 * Read the JavaScript cookies tutorial at: |
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14 * http://www.netspade.com/articles/javascript/cookies.xml |
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15 */ |
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16 |
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17 /** |
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18 * Sets a Cookie with the given name and value. |
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19 * |
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20 * name Name of the cookie |
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21 * value Value of the cookie |
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22 * [expires] Expiration date of the cookie (default: end of current session) |
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23 * [path] Path where the cookie is valid (default: path of calling document) |
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24 * [domain] Domain where the cookie is valid |
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25 * (default: domain of calling document) |
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26 * [secure] Boolean value indicating if the cookie transmission requires a |
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27 * secure transmission |
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28 */ |
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29 function setCookie(name, value, expires, path, domain, secure) |
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30 { |
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31 document.cookie= name + "=" + escape(value) + |
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32 ((expires) ? "; expires=" + expires.toGMTString() : "") + |
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33 ((path) ? "; path=" + path : "") + |
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34 ((domain) ? "; domain=" + domain : "") + |
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35 ((secure) ? "; secure" : ""); |
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36 } |
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37 |
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38 /** |
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39 * Gets the value of the specified cookie. |
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40 * |
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41 * name Name of the desired cookie. |
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42 * |
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43 * Returns a string containing value of specified cookie, |
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44 * or null if cookie does not exist. |
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45 */ |
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46 function getCookie(name) |
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47 { |
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48 var dc = document.cookie; |
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49 var prefix = name + "="; |
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50 var begin = dc.indexOf("; " + prefix); |
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51 if (begin == -1) |
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52 { |
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53 begin = dc.indexOf(prefix); |
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54 if (begin != 0) return null; |
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55 } |
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56 else |
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57 { |
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58 begin += 2; |
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59 } |
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60 var end = document.cookie.indexOf(";", begin); |
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61 if (end == -1) |
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62 { |
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63 end = dc.length; |
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64 } |
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65 return unescape(dc.substring(begin + prefix.length, end)); |
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66 } |
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67 |
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68 /** |
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69 * Deletes the specified cookie. |
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70 * |
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71 * name name of the cookie |
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72 * [path] path of the cookie (must be same as path used to create cookie) |
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73 * [domain] domain of the cookie (must be same as domain used to create cookie) |
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74 */ |
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75 function deleteCookie(name, path, domain) |
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76 { |
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77 if (getCookie(name)) |
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78 { |
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79 document.cookie = name + "=" + |
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80 ((path) ? "; path=" + path : "") + |
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81 ((domain) ? "; domain=" + domain : "") + |
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82 "; expires=Thu, 01-Jan-70 00:00:01 GMT"; |
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83 } |
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84 } |