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Initial Import
git-svn-id: http://www.observium.org/svn/observer/trunk@2 61d68cd4-352d-0410-923a-c4978735b2b8
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Super User
333
html/js/overlib_anchor.js
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333
html/js/overlib_anchor.js
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//\/////
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//\ overLIB Anchor Plugin
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//\ This file requires overLIB 4.10 or later.
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//\
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//\ overLIB 4.10 - You may not remove or change this notice.
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//\ Copyright Erik Bosrup 1998-2004. All rights reserved.
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//\ Contributors are listed on the homepage.
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//\ See http://www.bosrup.com/web/overlib/ for details.
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// $Revision: 1.7 $ $Date: 2004/11/25 21:27:19 $
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//\/////
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//\mini
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////////
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// PRE-INIT
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// Ignore these lines, configuration is below.
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////////
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if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.10)) alert('overLIB 4.10 or later is required for the Anchor Plugin.');
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else {
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registerCommands('anchor,anchorx,anchory,noanchorwarn,anchoralign');
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////////
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// DEFAULT CONFIGURATION
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// Settings you want everywhere are set here. All of this can also be
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// changed on your html page or through an overLIB call.
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////////
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if (typeof ol_anchor == 'undefined') var ol_anchor = '';
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if (typeof ol_anchorx == 'undefined') var ol_anchorx = 0;
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if (typeof ol_anchory == 'undefined') var ol_anchory = 0;
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if (typeof ol_noanchorwarn == 'undefined') var ol_noanchorwarn = 1;
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if (typeof ol_anchoralign == 'undefined') var ol_anchoralign = 'UL';
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////////
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// END OF CONFIGURATION
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// Don't change anything below this line, all configuration is above.
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////////
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////////
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// INIT
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////////
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// Runtime variables init. Don't change for config!
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var o3_anchor = "";
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var o3_anchorx = 0;
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var o3_anchory = 0;
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var o3_noanchorwarn = 1;
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var o3_anchoralign = 'UL';
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var mrkObj, rmrkPosition; //reference mark object, reference mark position, an array;
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////////
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// PLUGIN FUNCTIONS
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////////
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function setAnchorVariables() {
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o3_anchor = ol_anchor;
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o3_anchorx = ol_anchorx;
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o3_anchory = ol_anchory;
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o3_noanchorwarn = ol_noanchorwarn;
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o3_anchoralign = ol_anchoralign;
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mrkObj = null; // initialize this variable
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}
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// Parses Reference Mark commands
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function parseAnchorExtras(pf,i,ar) {
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var v, k=i;
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if (k < ar.length) {
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if (ar[k] == ANCHOR) { eval(pf + "anchor = '" + escSglQuote(ar[++k]) + "'"); return k; }
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if (ar[k] == ANCHORX) { eval(pf + 'anchorx = ' + ar[++k]); return k; }
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if (ar[k] == ANCHORY) { eval(pf + 'anchory = ' + ar[++k]); return k; }
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if (ar[k] == NOANCHORWARN) { eval(pf + 'noanchorwarn = (' + pf + 'noanchorwarn==1) ? 0 : 1'); return k; }
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if (ar[k] == ANCHORALIGN) { k = opt_MULTIPLEARGS(++k, ar, (pf + 'anchoralign')); return k; }
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}
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return -1;
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}
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///////
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// FUNCTION WHICH CHECKS FOR THE EXISTENCE OF A REFERENCE MARKER
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///////
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function checkAnchorObject() {
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var w = o3_anchor;
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if (w) {
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if (!(mrkObj = getAnchorObjectRef(w))) {
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if (o3_noanchorwarn) {
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alert('WARNING! Reference mark "' + w + '" not found.');
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return false;
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} else w = '';
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}
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}
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return true;
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}
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///////
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// EXTERNAL SUPPORT FUNCTIONS TO HANDLE ANCHOR PROPERTIES
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///////
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// Horizontal placement routine with anchors
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function anchorHorizontal(browserWidth, horizontalScrollAmount, widthFix) {
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var hasAnchor = (typeof o3_anchor != 'undefined' && o3_anchor);
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if (!hasAnchor) return void(0);
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// set o3_relx for follow scroll if defined
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if (typeof o3_followscroll != 'undefined' && o3_followscroll && o3_sticky) o3_relx = rmrkPosition[0];
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return rmrkPosition[0];
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}
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// Vertical placement routine with anchors
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function anchorVertical(browserHeight,verticalScrollAmount) {
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var hasAnchor = (typeof o3_anchor != 'undefined' && o3_anchor);
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if (!hasAnchor) return void(0);
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// set o3_rely for follow scroll if defined
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if (typeof o3_followscroll != 'undefined' && o3_followscroll && o3_sticky) o3_rely = rmrkPosition[1];
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return rmrkPosition[1];
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}
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// Stub function for the runHook routine
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function anchorPreface() {
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if (!mrkObj) return;
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rmrkPosition = getAnchorLocation(mrkObj);
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}
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// Get Reference Mark object
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function getAnchorObjectRef(aObj) {
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return getRefById(aObj, o3_frame.document) || getRefByName(aObj, o3_frame.document)
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}
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// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
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function getAnchorLocation(objRef){
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var mkObj, of, offsets, mlyr
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mkObj = mlyr = objRef
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offsets = [o3_anchorx, o3_anchory]
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if (document.layers){
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if (typeof mlyr.length != 'undefined' && mlyr.length > 1) {
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mkObj = mlyr[0]
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offsets[0] += mlyr[0].x + mlyr[1].pageX
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offsets[1] += mlyr[0].y + mlyr[1].pageY
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} else {
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if(mlyr.toString().indexOf('Image') != -1 || mlyr.toString().indexOf('Anchor') != -1){
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offsets[0] += mlyr.x
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offsets[1] += mlyr.y
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} else {
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offsets[0] += mlyr.pageX
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offsets[1] += mlyr.pageY
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}
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}
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} else {
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offsets[0] += pageLocation(mlyr, 'Left')
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offsets[1] += pageLocation(mlyr, 'Top')
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}
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of = getAnchorOffsets(mkObj)
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if (typeof o3_dragimg != 'undefined' && o3_dragimg) {
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olImgLeft = offsets[0];
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olImgTop = offsets[1];
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}
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offsets[0] += of[0]
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offsets[1] += of[1]
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if (typeof o3_dragimg != 'undefined' && o3_dragimg) {
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olImgRight = offsets[0];
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olImgBottom = offsets[1];
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return;
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}
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return offsets;
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}
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// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
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function getAnchorOffsets(mkObj){
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var fx = fy = 0, mp, puc, mkAry, sx = sy = 0, w = o3_anchoralign
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var mW = mH = pW = pH = 0
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var off = [0, 0]
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mkAry = w.split(',');
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if (mkAry.length < 3) {
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mp = mkAry[0].toUpperCase();
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puc = (mkAry.length == 1) ? mp : mkAry[1].toUpperCase();
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} else if (mkAry.length == 3) {
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if (!isNaN(mkAry[0])) {
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mp = mkAry.slice(0, 2);
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puc = mkAry[2].toUpperCase();
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} else {
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mp = mkAry[0].toUpperCase();
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puc = mkAry.slice(1);
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}
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} else {
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mp = mkAry.slice(0, 2);
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puc = mkAry.slice(2);
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}
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var shdwPresent = typeof o3_shadow != 'undefined' && o3_shadow
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if (shdwPresent) {
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sx = Math.abs(o3_shadowx);
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sy = Math.abs(o3_shadowy);
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}
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pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
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pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))
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if (olOp && o3_wrap) {
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pW = (shdwPresent ? parseInt(o3_width) : (olNs4 ? over.clip.width : over.offsetWidth))
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pH = (shdwPresent ? parseInt(o3_aboveheight) : (olNs4 ? over.clip.height : over.offsetHeight))
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}
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if (!olOp && mkObj.toString().indexOf('Image') != -1){
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mW = mkObj.width
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mH = mkObj.height
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} else if (!olOp && mkObj.toString().indexOf('Anchor') != -1) { // enforced only for NS4
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mp = 'UL'
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} else {
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mW = (olNs4) ? mkObj.clip.width : mkObj.offsetWidth
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mH = (olNs4) ? mkObj.clip.height : mkObj.offsetHeight
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}
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if (!isNaN(mp) || typeof mp == 'object') {
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if (typeof mp == 'object') {
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fx = parseFloat(mp[0]);
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fy = parseFloat(mp[1]);
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} else
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fx = fy = parseFloat(mp);
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off = [Math.round(fx*mW), Math.round(fy*mH)];
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} else {
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if (mp == 'UR') off = [mW, 0]
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else if (mp == 'LL') off = [0, mH]
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else if (mp == 'LR') off = [mW, mH]
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}
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if (typeof o3_dragimg != 'undefined' && o3_dragimg) return off;
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else {
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if (!isNaN(puc) || typeof puc == 'object' ) {
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if (typeof puc == 'object') {
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fx = parseFloat(puc[0]);
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fy = parseFloat(puc[1]);
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} else
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fx = fy = parseFloat(puc);
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off[0] -= Math.round(fx*(pW - sx));
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off[1] -= Math.round(fy*(pH - sy));
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} else {
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if (puc == 'UR') {
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off[0] -= (pW - sx);
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off[1] -= sy
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} else if (puc == 'LL') {
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off[0] -= sx;
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off[1] -= (pH - sy)
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} else if (puc == 'LR') {
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off[0] -= (pW-sx);
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off[1] -= (pH - sy)
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}
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}
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return off
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}
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}
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// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
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function pageLocation(o, t){
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var x = 0
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while(o.offsetParent){
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x += o['offset' + t]
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o = o.offsetParent
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}
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x += o['offset' + t]
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return x
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}
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// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
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function getRefById(l, d){
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var r = "", j
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d = (d || document)
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if (d.all) return d.all[l]
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else if (d.getElementById) return d.getElementById(l)
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else if (d.layers && d.layers.length > 0) {
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if (d.layers[l]) return d.layers[l]
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for (j=0; j < d.layers.length; j++) {
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r = getRefById(l, d.layers[j].document)
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if(r) return r
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}
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}
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return false
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}
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// Adapted to overlib from jwin by Jason Anderson -- http://www.jwinlib.com
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function getRefByName(l, d) {
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var r = null, j
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d = (d || document)
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if (d.images[l]) return d.images[l]
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else if (d.anchors[l]) return d.anchors[l];
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else if (d.layers && d.layers.length > 0) {
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for (j=0; j < d.layers.length; j++) {
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r = getRefByName(l, d.layers[j].document)
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if (r && r.length > 0) return r
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else if (r) return [r, d.layers[j]]
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}
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}
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return null
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}
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////////
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// PLUGIN REGISTRATIONS
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////////
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registerRunTimeFunction(setAnchorVariables);
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registerCmdLineFunction(parseAnchorExtras);
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registerPostParseFunction(checkAnchorObject);
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registerHook("createPopup", anchorPreface, FAFTER);
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registerHook("horizontalPlacement", anchorHorizontal, FCHAIN);
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registerHook("verticalPlacement", anchorVertical, FCHAIN);
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if(olInfo.meets(4.10)) registerNoParameterCommands('noanchorwarn');
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}
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