ajax poller

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Ajax poller
Copyright (C) 2006 DTHMLGoodies.com, Alf Magne Kalleland
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.
Alf Magne Kalleland, 2006
Owner of DHTMLgoodies.com
复制代码 代码如下:
var serverSideFile = ''ajax-poller-cast-vote-php.php'';
var voteLeftImage = ''images/graph_left_1.gif'';
var voteRightImage = ''images/graph_right_1.gif'';
var voteCenterImage = ''images/graph_middle_1.gif'';
var graphMaxWidth = 130; // It will actually be a little wider than this because of the rounded image at the left and right
var graphMinWidth = 15; // Minimum size of graph
var pollScrollSpeed = 5; // Lower = faster
var useCookiesToRememberCastedVotes = false; // Use cookie to remember casted votes
var txt_totalVotes = ''Total number of votes: '';
var ajaxObjects = new Array();
var pollVotes = new Array();
var pollVoteCounted = new Array();
var totalVotes = new Array();
/* Preload images */
var preloadedImages = new Array();
preloadedImages[0] = new Image();
preloadedImages[0].src = voteLeftImage;
preloadedImages = new Image();
preloadedImages.src = voteRightImage;
preloadedImages = new Image();
preloadedImages.src = voteCenterImage;
/*
These cookie functions are downloaded from
http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm
*/
function Poller_Get_Cookie(name) {
var start = document.cookie.indexOf(name+"=");
var len = start+name.length+1;
if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
if (start == -1) return null;
var end = document.cookie.indexOf(";",len);
if (end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(len,end));
}
// This function has been slightly modified
function Poller_Set_Cookie(name,value,expires,path,domain,secure) {
expires = expires * 60*60*24*1000;
var today = new Date();
var expires_date = new Date( today.getTime() + (expires) );
var cookieString = name + "=" +escape(value) +
( (expires) ? ";expires=" + expires_date.toGMTString() : "") +
( (path) ? ";path=" + path : "") +
( (domain) ? ";domain=" + domain : "") +
( (secure) ? ";secure" : "");
document.cookie = cookieString;
}
function showVoteResults(pollId,ajaxIndex)
{
document.getElementById(''poller_waitMessage'' + pollId).style.display=''none'';