1/* 2 * Copyright (c) 2008-2014 Mark C. Prins <mprins@users.sf.net> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17/** 18 * @fileoverview Javascript voor OpenLayers plugin. 19 * 20 * @requires {lib/OpenLayers.js} or a full openlayers build 21 * @author Mark C. Prins <mprins@users.sf.net> 22 * 23 */ 24 25/** 26 * Openlayers selectcontrol. 27 * 28 * @type {OpenLayers.Control.SelectFeature} 29 * @private 30 */ 31var selectControl; 32 33/** 34 * handle feature select event. 35 * 36 * @param {OpenLayers.Feature.Vector} 37 * selFeature the selected feature 38 */ 39function onFeatureSelect(selFeature) { 40 // 'this' is selectFeature control 41 var pPos = selFeature.geometry.getBounds().getCenterLonLat(); 42 // != OpenLayers.Geometry.Point 43 if (selFeature.geometry.CLASS_NAME === "OpenLayers.Geometry.LineString") { 44 try { 45 // for lines make the popup show at the cursor position 46 // TODO this will fail for keyboard select 47 pPos = selFeature.layer.map.getLonLatFromViewPortPx(this.handlers.feature.evt.xy); 48 } catch (anErr) { 49 OpenLayers.Console.warn("unable to get event position; reverting to boundingbox center."); 50 pPos = selFeature.geometry.getBounds().getCenterLonLat(); 51 } 52 } 53 54 var pContent = '<div class="spacer"> </div>'; 55 if (selFeature.data.rowId !== undefined) { 56 pContent += '<span class="rowId">' + selFeature.data.rowId + ': </span>'; 57 } 58 if (selFeature.data.name !== undefined) { 59 pContent += '<span class="txt">' + selFeature.data.name + '</span>'; 60 } 61 if (selFeature.data.ele !== undefined) { 62 pContent += '<div class="ele">elevation: ' + selFeature.data.ele + '</div>'; 63 } 64 if (selFeature.data.type !== undefined) { 65 pContent += '<div>' + selFeature.data.type + '</div>'; 66 } 67 if (selFeature.data.time !== undefined) { 68 pContent += '<div class="time">time: ' + selFeature.data.time + '</div>'; 69 } 70 if (selFeature.data.description !== undefined) { 71 pContent += '<div class="desc">' + selFeature.data.description + '</div>'; 72 } 73 74 if (pContent.length > 0) { 75 // only show when there is something to show... 76 var popup = new OpenLayersMap.Popup.FramedCloud("olPopup", pPos, null, pContent, null, true, function() { 77 selectControl.unselect(selFeature); 78 jQuery('#' + selectControl.layer.map.div.id).focus(); 79 }); 80 selFeature.popup = popup; 81 selFeature.layer.map.addPopup(popup); 82 jQuery('#olPopup').attr("tabindex", -1).focus(); 83 } 84} 85 86/** 87 * handle feature unselect event. remove & destroy the popup. 88 * 89 * @param {OpenLayers.Feature.Vector} 90 * selFeature the un-selected feature 91 */ 92function onFeatureUnselect(selFeature) { 93 if (selFeature.popup !== null) { 94 selFeature.layer.map.removePopup(selFeature.popup); 95 selFeature.popup.destroy(); 96 selFeature.popup = null; 97 } 98} 99/** 100 * Test for css support in the browser by sniffing for a css class we added 101 * using javascript added by the action plugin; this is an edge case because 102 * browsers that support javascript generally support css as well. 103 * 104 * @returns {Boolean} true when the browser supports css (and implicitly 105 * javascript) 106 */ 107function olTestCSSsupport() { 108 return (jQuery('.olCSSsupported').length > 0); 109} 110 111/** 112 * Creates a DocumentFragment to insert into the dom. 113 * 114 * @param mapid 115 * id for the map div 116 * @param width 117 * width for the map div 118 * @param height 119 * height for the map div 120 * @returns a {DocumentFragment} element that can be injected into the dom 121 */ 122function olCreateMaptag(mapid, width, height) { 123 var mEl = '<div id="' + mapid + '-olContainer" class="olContainer olWebOnly">' + '<div id="' + mapid 124 + '" tabindex="-1" style="width:' + width + ';height:' + height + ';" class="olMap">' 125 + '<a class="olAccesskey" href="#' + mapid + '" onclick="document.getElementById("' + mapid 126 + '").focus(); return false;" title="' + OpenLayers.i18n("activate_map") + '">' 127 + OpenLayers.i18n("activate_map") + '</a>' + '</div>' + '<div id="' + mapid + '-olStatusBar" style="width:' 128 + width + ';"class="olStatusBarContainer">' + '<div id="' + mapid 129 + '-statusbar-scale" class="olStatusBar olStatusBarScale">scale</div>' + '<div id="' + mapid 130 + '-statusbar-mouseposition" class="olStatusBar olStatusBarMouseposition"></div>' + '<div id="' + mapid 131 + '-statusbar-projection" class="olStatusBar olStatusBarProjection">proj</div>' + '<div id="' + mapid 132 + '-statusbar-text" class="olStatusBar olStatusBarText">txt</div>' + '</div></div>', 133 // fragment 134 frag = document.createDocumentFragment(), 135 // temp node 136 temp = document.createElement('div'); 137 temp.innerHTML = mEl; 138 while (temp.firstChild) { 139 frag.appendChild(temp.firstChild); 140 } 141 return frag; 142} 143 144/** 145 * Create the map based on the params given. 146 * 147 * @param {Object} 148 * mapOpts MapOptions hash {id:'olmap', width:500px, height:500px, 149 * lat:6710200, lon:506500, zoom:13, statusbar:1, controls:1, 150 * poihoverstyle:1, baselyr:'', kmlfile:'', gpxfile:'', geojsonfile, 151 * summary:''} 152 * @param {Array} 153 * OLmapPOI array with POI's [ {lat:6710300,lon:506000,txt:'instap 154 * punt',angle:180,opacity:.9,img:'', rowId:n},... ]); 155 * 156 * @return {OpenLayers.Map} the created map 157 */ 158function createMap(mapOpts, OLmapPOI) { 159 if (!olEnable) { 160 return; 161 } 162 if (!olTestCSSsupport()) { 163 olEnable = false; 164 return; 165 } 166 OpenLayers.ImgPath = DOKU_BASE + 'lib/plugins/openlayersmap/lib/img/'; 167 OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3; 168 // OpenLayers.Layer.Vector.prototype.renderers = ["SVG", "VML"]; 169 170 // find map element location 171 var cleartag = document.getElementById(mapOpts.id + '-clearer'); 172 if (cleartag === null) { 173 return; 174 } 175 // create map element and add to document 176 var fragment = olCreateMaptag(mapOpts.id, mapOpts.width, mapOpts.height); 177 cleartag.parentNode.insertBefore(fragment, cleartag); 178 179 /** dynamic map extent. */ 180 var extent = new OpenLayers.Bounds(), 181 182 /** map. */ 183 m = new OpenLayers.Map({ 184 div : mapOpts.id, 185 projection : 'EPSG:900913', 186 displayProjection : new OpenLayers.Projection("EPSG:4326"), 187 numZoomLevels : 22, 188 controls : [], 189 theme : null 190 }); 191 192 if (osmEnable) { 193 /* add OSM map layers */ 194 m.addLayer(new OpenLayers.Layer.OSM()); 195 196 m.addLayer(new OpenLayersMap.Layer.OCM()); 197 /* open cycle map */ 198 m.addLayer(new OpenLayersMap.Layer.OCM("transport", [ 199 "http://a.tile2.opencyclemap.org/transport/${z}/${x}/${y}.png", 200 "http://b.tile2.opencyclemap.org/transport/${z}/${x}/${y}.png", 201 "http://c.tile2.opencyclemap.org/transport/${z}/${x}/${y}.png" ], { 202 visibility : mapOpts.baselyr === "transport" 203 })); 204 m.addLayer(new OpenLayersMap.Layer.OCM("landscape", [ 205 "http://a.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png", 206 "http://b.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png", 207 "http://c.tile3.opencyclemap.org/landscape/${z}/${x}/${y}.png" ], { 208 visibility : mapOpts.baselyr === "landscape" 209 })); 210 211 m.addLayer(new OpenLayers.Layer.OSM( 212 "hike and bike map", "http://toolserver.org/tiles/hikebike/${z}/${x}/${y}.png", { 213 visibility : mapOpts.baselyr === "hike and bike map", 214 tileOptions : { 215 crossOriginKeyword : null 216 } 217 })); 218 } 219 /* 220 * add MapQuest map layers, see: 221 * http://developer.mapquest.com/web/products/open/map 222 */ 223 if (mqEnable) { 224 m.addLayer(new OpenLayersMap.Layer.MapQuest()); 225 m.addLayer(new OpenLayersMap.Layer.MapQuest("mapquest sat", [ 226 "http://otile1.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.jpg", 227 "http://otile2.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.jpg", 228 "http://otile3.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.jpg", 229 "http://otile4.mqcdn.com/tiles/1.0.0/sat/${z}/${x}/${y}.jpg" ], { 230 // note that global coverage is provided at zoom levels 0-11. Zoom 231 // Levels 12+ are provided only in the United States (lower 48). 232 numZoomLevels : 12, 233 visibility : mapOpts.baselyr === "mapquest sat" 234 })); 235 236 } 237 238 if (gEnable) { 239 /* load google maps */ 240 try { 241 m.addLayer(new OpenLayers.Layer.Google("google relief", { 242 type : google.maps.MapTypeId.TERRAIN, 243 numZoomLevels : 16, 244 animationEnabled : true, 245 visibility : mapOpts.baselyr === "google relief" 246 })); 247 m.addLayer(new OpenLayers.Layer.Google("google sat", { 248 type : google.maps.MapTypeId.SATELLITE, 249 animationEnabled : true, 250 visibility : mapOpts.baselyr === "google sat" 251 })); 252 m.addLayer(new OpenLayers.Layer.Google("google hybrid", { 253 type : google.maps.MapTypeId.HYBRID, 254 animationEnabled : true, 255 visibility : mapOpts.baselyr === "google hybrid" 256 })); 257 m.addLayer(new OpenLayers.Layer.Google("google road", { 258 animationEnabled : true, 259 visibility : mapOpts.baselyr === "google road" 260 })); 261 } catch (ol_err1) { 262 Openlayers.Console.userError('Error loading Google maps' + ol_err1); 263 } 264 } 265 266 if (bEnable && bApiKey !== '') { 267 try { 268 /* add Bing tiles */ 269 m.addLayer(new OpenLayers.Layer.Bing({ 270 key : bApiKey, 271 type : "Road", 272 name : "bing road", 273 visibility : mapOpts.baselyr === "bing road", 274 wrapDateLine : true, 275 attributionTemplate : '<a target="_blank" href="http://www.bing.com/maps/">' 276 + 'Bing™</a><img src="http://www.bing.com/favicon.ico" alt="Bing logo"/> ${copyrights}' 277 + '<a target="_blank" href="http://www.microsoft.com/maps/product/terms.html">Terms of Use</a>' 278 })); 279 m.addLayer(new OpenLayers.Layer.Bing({ 280 key : bApiKey, 281 type : "Aerial", 282 name : "bing sat", 283 visibility : mapOpts.baselyr === "bing sat", 284 wrapDateLine : true, 285 attributionTemplate : '<a target="_blank" href="http://www.bing.com/maps/">' 286 + 'Bing™</a><img src="http://www.bing.com/favicon.ico" alt="Bing logo"/> ${copyrights}' 287 + '<a target="_blank" href="http://www.microsoft.com/maps/product/terms.html">Terms of Use</a>' 288 })); 289 m.addLayer(new OpenLayers.Layer.Bing({ 290 key : bApiKey, 291 type : "AerialWithLabels", 292 name : "bing hybrid", 293 visibility : mapOpts.baselyr === "bing hybrid", 294 wrapDateLine : true, 295 attributionTemplate : '<a target="_blank" href="http://www.bing.com/maps/">' 296 + 'Bing™</a><img src="http://www.bing.com/favicon.ico" alt="Bing logo"/> ${copyrights}' 297 + '<a target="_blank" href="http://www.microsoft.com/maps/product/terms.html">Terms of Use</a>' 298 })); 299 } catch (ol_errBing) { 300 Openlayers.Console.userError('Error loading Bing maps: ' + ol_errBing); 301 } 302 } 303 304 m.setCenter(new OpenLayers.LonLat(mapOpts.lon, mapOpts.lat).transform(m.displayProjection, m.projection), 305 mapOpts.zoom); 306 extent.extend(m.getExtent()); 307 308 // change/set alternative baselyr 309 try { 310 m.setBaseLayer(((m.getLayersByName(mapOpts.baselyr))[0])); 311 } catch (ol_err4) { 312 m.setBaseLayer(m.layers[0]); 313 } 314 315 m.addControls([ new OpenLayers.Control.ScaleLine({ 316 geodesic : true 317 }), new OpenLayers.Control.KeyboardDefaults({ 318 observeElement : mapOpts.id 319 }), new OpenLayers.Control.Navigation() ]); 320 321 if (mapOpts.statusbar === 1) { 322 // statusbar control: mouse pos. 323 m.addControl(new OpenLayers.Control.MousePosition({ 324 'div' : OpenLayers.Util.getElement(mapOpts.id + '-statusbar-mouseposition') 325 })); 326 // statusbar control: scale 327 m.addControl(new OpenLayers.Control.Scale(mapOpts.id + '-statusbar-scale')); 328 // statusbar control: attribution 329 m.addControl(new OpenLayers.Control.Attribution({ 330 'div' : OpenLayers.Util.getElement(mapOpts.id + '-statusbar-text') 331 })); 332 // statusbar control: projection 333 OpenLayers.Util.getElement(mapOpts.id + '-statusbar-projection').innerHTML = m.displayProjection; 334 } else { 335 OpenLayers.Util.getElement(mapOpts.id + '-olStatusBar').display = 'none'; 336 } 337 338 if (OLmapPOI.length > 0) { 339 var markers = new OpenLayers.Layer.Vector("POI", { 340 styleMap : new OpenLayers.StyleMap({ 341 "default" : { 342 cursor : "help", 343 externalGraphic : "${img}", 344 graphicHeight : 16, 345 graphicWidth : 16, 346 // graphicXOffset : 0, 347 // graphicYOffset : -8, 348 graphicOpacity : "${opacity}", 349 rotation : "${angle}", 350 backgroundGraphic : DOKU_BASE + "lib/plugins/openlayersmap/icons/marker_shadow.png", 351 // backgroundXOffset : 0, 352 // backgroundYOffset : -4, 353 backgroundRotation : "${angle}", 354 pointRadius : 10, 355 labelXOffset : 8, 356 labelYOffset : 8, 357 labelAlign : "lb", 358 label : "${label}", 359 // fontColor : "", 360 fontFamily : "monospace", 361 fontSize : "12px", 362 fontWeight : "bold" 363 }, 364 "select" : { 365 cursor : "help", 366 externalGraphic : DOKU_BASE + "lib/plugins/openlayersmap/icons/marker-red.png", 367 graphicHeight : 16, 368 graphicWidth : 16, 369 // graphicXOffset : 0, 370 // graphicYOffset : -8, 371 graphicOpacity : 1.0, 372 rotation : "${angle}" 373 } 374 }), 375 isBaseLayer : false, 376 rendererOptions : { 377 yOrdering : true 378 } 379 }); 380 m.addLayer(markers); 381 var features = []; 382 for (var j = 0; j < OLmapPOI.length; j++) { 383 var feat = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(OLmapPOI[j].lon, OLmapPOI[j].lat) 384 .transform(m.displayProjection, m.projection), { 385 angle : OLmapPOI[j].angle, 386 opacity : OLmapPOI[j].opacity, 387 img : DOKU_BASE + "lib/plugins/openlayersmap/icons/" + OLmapPOI[j].img, 388 label : OLmapPOI[j].rowId 389 }); 390 feat.data = { 391 name : OLmapPOI[j].txt, 392 rowId : OLmapPOI[j].rowId 393 }; 394 features.push(feat); 395 } 396 markers.addFeatures(features); 397 extent.extend(markers.getDataExtent()); 398 m.zoomToExtent(extent); 399 } 400 401 /* GPX layer */ 402 if (mapOpts.gpxfile.length > 0) { 403 var layerGPX = new OpenLayers.Layer.Vector("GPS route", { 404 protocol : new OpenLayers.Protocol.HTTP({ 405 url : DOKU_BASE + "lib/exe/fetch.php?media=" + mapOpts.gpxfile, 406 format : new OpenLayers.Format.GPX({ 407 extractWaypoints : true, 408 extractTracks : true, 409 extractStyles : true, 410 extractAttributes : true, 411 handleHeight : true, 412 maxDepth : 3 413 }) 414 }), 415 style : { 416 strokeColor : "#0000FF", 417 strokeWidth : 3, 418 strokeOpacity : 0.7, 419 pointRadius : 4, 420 fillColor : "#0099FF", 421 fillOpacity : 0.7 422 // , label:"${name}" 423 }, 424 projection : new OpenLayers.Projection("EPSG:4326"), 425 strategies : [ new OpenLayers.Strategy.Fixed() ] 426 }); 427 m.addLayer(layerGPX); 428 layerGPX.events.register('loadend', m, function() { 429 extent.extend(layerGPX.getDataExtent()); 430 m.zoomToExtent(extent); 431 }); 432 } 433 434 /* GeoJSON layer */ 435 if (mapOpts.geojsonfile.length > 0) { 436 var layerGJS = new OpenLayers.Layer.Vector("json data", { 437 protocol : new OpenLayers.Protocol.HTTP({ 438 url : DOKU_BASE + "lib/exe/fetch.php?media=" + mapOpts.geojsonfile, 439 format : new OpenLayers.Format.GeoJSON({ 440 ignoreExtraDims : true 441 }) 442 }), 443 style : { 444 strokeColor : "#FF00FF", 445 strokeWidth : 3, 446 strokeOpacity : 0.7, 447 pointRadius : 4, 448 fillColor : "#FF99FF", 449 fillOpacity : 0.7 450 // , label:"${name}" 451 }, 452 projection : new OpenLayers.Projection("EPSG:4326"), 453 strategies : [ new OpenLayers.Strategy.Fixed() ] 454 }); 455 m.addLayer(layerGJS); 456 layerGJS.events.register('loadend', m, function() { 457 extent.extend(layerGJS.getDataExtent()); 458 m.zoomToExtent(extent); 459 }); 460 } 461 462 /* KML layer */ 463 if (mapOpts.kmlfile.length > 0) { 464 var layerKML = new OpenLayers.Layer.Vector("KML file", { 465 protocol : new OpenLayers.Protocol.HTTP({ 466 url : DOKU_BASE + "lib/exe/fetch.php?media=" + mapOpts.kmlfile, 467 format : new OpenLayers.Format.KML({ 468 extractStyles : true, 469 extractAttributes : true, 470 maxDepth : 3 471 }) 472 }), 473 style : { 474 label : "${name}" 475 }, 476 projection : new OpenLayers.Projection("EPSG:4326"), 477 strategies : [ new OpenLayers.Strategy.Fixed() ] 478 }); 479 m.addLayer(layerKML); 480 layerKML.events.register('loadend', m, function() { 481 extent.extend(layerKML.getDataExtent()); 482 m.zoomToExtent(extent); 483 }); 484 } 485 486 // selectcontrol for layers 487 if ((m.getLayersByClass('OpenLayers.Layer.GML').length > 0) 488 || m.getLayersByClass('OpenLayers.Layer.Vector').length > 0) { 489 selectControl = new OpenLayers.Control.SelectFeature((m.getLayersByClass('OpenLayers.Layer.Vector')).concat(m 490 .getLayersByClass('OpenLayers.Layer.GML')), { 491 hover : mapOpts.poihoverstyle, 492 onSelect : onFeatureSelect, 493 onUnselect : onFeatureUnselect 494 }); 495 m.addControl(selectControl); 496 selectControl.activate(); 497 498 // keyboard select control 499 var iControl = new OpenLayersMap.Control.KeyboardClick({ 500 observeElement : mapOpts.id, 501 selectControl : selectControl 502 }); 503 m.addControl(iControl); 504 } 505 506 if (mapOpts.controls === 1) { 507 /* add base controls to map */ 508 m.addControls([ new OpenLayersMap.Control.LayerSwitcher(), new OpenLayers.Control.Graticule({ 509 visible : false 510 }), new OpenLayersMap.Control.OverviewMap({ 511 mapOptions : { 512 theme : null 513 } 514 }), new OpenLayersMap.Control.Zoom() ]); 515 516 // add hillshade, since this is off by default only add when we have a 517 // layerswitcher 518 m.addLayer(new OpenLayers.Layer.OSM("Hillshade", "http://toolserver.org/~cmarqu/hill/${z}/${x}/${y}.png", { 519 isBaseLayer : false, 520 transparent : true, 521 visibility : false, 522 displayOutsideMaxExtent : true, 523 attribution : '', 524 tileOptions : { 525 crossOriginKeyword : null 526 } 527 })); 528 } 529 530 return m; 531} 532 533/** init. */ 534function olInit() { 535 if (olEnable) { 536 var _i = 0; 537 // create the maps in the page 538 for (_i = 0; _i < olMapData.length; _i++) { 539 olMaps[olMapData[_i].mapOpts.id] = createMap(olMapData[_i].mapOpts, olMapData[_i].poi); 540 } 541 // hide the table(s) with POI by giving it a print-only style 542 var tbls = jQuery('.olPOItableSpan'); 543 for (_i = 0; _i < tbls.length; _i++) { 544 tbls[_i].className += ' olPrintOnly'; 545 } 546 // hide the static map image(s) by giving it a print only style 547 var statImgs = jQuery('.olStaticMap'); 548 for (_i = 0; _i < statImgs.length; _i++) { 549 statImgs[_i].className += ' olPrintOnly'; 550 } 551 // add help button with toggle. 552 jQuery('.olWebOnly').prepend( 553 '<div class="olMapHelpButtonDiv">' 554 + '<button onclick="jQuery(\'.olMapHelp\').toggle(500);" class="olMapHelpButton olHasTooltip">' 555 + '<span>' + OpenLayers.i18n("toggle_help") + '</span>?</button>' + '</div>'); 556 } 557} 558 559/** 560 * ol api flag. 561 * 562 * @type {Boolean} 563 */ 564var olEnable = false, 565/** 566 * An array with data for each map in the page. 567 * 568 * @type {Array} 569 */ 570olMapData = [], 571/** 572 * Holds a reference to all of the maps on this page with the map's id as key. 573 * Can be used as an extension point. 574 * 575 * @type {Object} 576 */ 577olMaps = new Object(), 578/** 579 * MapQuest tiles flag. 580 * 581 * @type {Boolean} 582 */ 583mqEnable = false, 584/** 585 * google map api flag. 586 * 587 * @type {Boolean} 588 */ 589gEnable = false, 590/** 591 * Bing tiles flag. 592 * 593 * @type {Boolean} 594 */ 595bEnable = false, 596/** 597 * Bing API key. 598 * 599 * @type {String} 600 */ 601bApiKey = '', 602/** 603 * OSM tiles flag. 604 * 605 * @type {Boolean} 606 */ 607osmEnable = true, 608/** 609 * CSS support flag. 610 * 611 * @type {Boolean} 612 */ 613olCSSEnable = true; 614 615/* register olInit to run with onload event. */ 616jQuery(olInit); 617
