doc/salome/gui/SMESH/whtopic.js

   1 //      WebHelp 5.10.005
   2 var gsPPath="";
   3 var gaPaths=new Array();
   4 var gaAvenues=new Array();
   5
   6 var goFrame=null;
   7 var gsStartPage="";
   8 var gsRelCurPagePath="";
   9 var gsSearchFormHref="";
  10 var gnTopicOnly=-1;
  11 var gnOutmostTopic=-1;
  12
  13 var BTN_TEXT=1;
  14 var BTN_IMG=2;
  15
  16 var goSync=null;
  17
  18 var goShow=null;
  19 var goHide=null;
  20
  21 var goPrev=null;
  22 var goNext=null;
  23 var gnForm=0;
  24 var goShowNav=null;
  25 var goHideNav=null;
  26
  27 var goWebSearch=null;
  28
  29 var gsBtnStyle="";
  30 var gaButtons=new Array();
  31 var gaTypes=new Array();
  32 var whtopic_foldUnload=null;
  33 var gbWhTopic=false;
  34 var gbCheckSync=false;
  35 var gbSyncEnabled=false;
  36
  37 function setButtonFont(sType,sFontName,sFontSize,sFontColor,sFontStyle,sFontWeight,sFontDecoration)
  38 {
  39         var vFont=new whFont(sFontName,sFontSize,sFontColor,sFontStyle,sFontWeight,sFontDecoration);
  40         gsBtnStyle+=".whtbtn"+sType+"{"+getFontStyle(vFont)+"}";
  41 }
  42
  43 function writeBtnStyle()
  44 {
  45         if(gaButtons.length>0)
  46         {
  47                 if(gsBtnStyle.length>0)
  48                 {
  49                         var sStyle="<style type='text/css'>";
  50                         sStyle+=gsBtnStyle+"</style>";
  51                         document.write(sStyle);
  52                 }
  53         }
  54 }
  55
  56 function button(sText,nWidth,nHeight)
  57 {
  58         this.sText=sText;
  59         this.nWidth=nWidth;
  60         this.nHeight=nHeight;
  61
  62         this.aImgs=new Array();
  63         var i=0;
  64         while(button.arguments.length>i+3)
  65         {
  66                 this.aImgs[i]=button.arguments[3+i];
  67                 i++;
  68         }
  69 }
  70
  71 //project info
  72 function setRelStartPage(sPath)
  73 {
  74         if(gsPPath.length==0)
  75         {
  76                 gsPPath=_getFullPath(_getPath(document.location.href),_getPath(sPath));
  77                 gsStartPage=_getFullPath(_getPath(document.location.href),sPath);
  78                 gsRelCurPagePath=_getRelativeFileName(gsStartPage,document.location.href);
  79         }
  80 }
  81
  82 function getImage(oImage,sType)
  83 {
  84         var sImg="";
  85         if(oImage&&oImage.aImgs&&(oImage.aImgs.length>0))
  86         {
  87                 sImg+="<img alt=\""+sType+"\" src=\""+oImage.aImgs[0]+"\"";
  88                 if(oImage.nWidth>0)
  89                         sImg+=" width="+oImage.nWidth;
  90                 if(oImage.nHeight>0)
  91                         sImg+=" height="+oImage.nHeight;
  92                 sImg+=" border=0>";
  93         }
  94         return sImg;
  95 }
  96
  97 function addTocInfo(sTocPath)
  98 {
  99         gaPaths[gaPaths.length]=sTocPath;
 100 }
 101
 102 function addAvenueInfo(sName,sPrev,sNext)
 103 {
 104         gaAvenues[gaAvenues.length]=new avenueInfo(sName,sPrev,sNext);
 105 }
 106
 107 function addButton(sType,nStyle,sText,sHref,sOnClick,sOnMouseOver,sOnLoad,nWidth,nHeight,sImg1,sImg2,sImg3)
 108 {
 109         var sButton="";
 110         var nBtn=gaButtons.length;
 111         if(sType=="prev")
 112         {
 113                 if(canGo(false))
 114                 {
 115                         var sTitle="Previous Topic";
 116                         goPrev=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 117                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnprev\" href=\"javascript:void(0);\" onclick=\"goAvenue(false);return false;\">";
 118                         if(nStyle==BTN_TEXT)
 119                                 sButton+=goPrev.sText;
 120                         else
 121                                 sButton+=getImage(goPrev,sTitle);
 122                         sButton+="</a>";
 123                 }
 124         }
 125         else if(sType=="next")
 126         {
 127                 if(canGo(true))
 128                 {
 129                         var sTitle="Next Topic";
 130                         goNext=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 131                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnnext\" href=\"javascript:void(0);\" onclick=\"goAvenue(true);return false;\">";
 132                         if(nStyle==BTN_TEXT)
 133                                 sButton+=goNext.sText;
 134                         else
 135                                 sButton+=getImage(goNext,sTitle);
 136                         sButton+="</a>";
 137                 }
 138         }
 139         else if(sType=="show")
 140         {
 141                 if(isTopicOnly()&&(!gbOpera6||gbOpera7))
 142                 {
 143                         var sTitle="Show Navigation Component";
 144                         goShow=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 145                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnshow\" href=\"javascript:void(0);\" onclick=\"show();return false;\">";
 146                         if(nStyle==BTN_TEXT)
 147                                 sButton+=goShow.sText;
 148                         else
 149                                 sButton+=getImage(goShow,sTitle);
 150                         sButton+="</a>";
 151                 }
 152         }
 153         else if(sType=="hide")
 154         {
 155                 if(!isTopicOnly()&&!gbOpera6)
 156                 {
 157                         var sTitle="Hide Navigation Component";
 158                         goHide=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 159                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnhide\" href=\"javascript:void(0);\" onclick=\"hide();return false;\">";
 160                         if(nStyle==BTN_TEXT)
 161                                 sButton+=goHide.sText;
 162                         else
 163                                 sButton+=getImage(goHide,sTitle);
 164                         sButton+="</a>";
 165                 }
 166         }
 167         else if(sType=="shownav")
 168         {
 169                 if(isShowHideEnable())
 170                 {
 171                         var sTitle="Show Navigation Component";
 172                         goShowNav=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 173                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnshownav\" href=\"javascript:void(0);\" onclick=\"showHidePane(true);return false;\">";
 174                         if(nStyle==BTN_TEXT)
 175                                 sButton+=goShowNav.sText;
 176                         else
 177                                 sButton+=getImage(goShowNav,sTitle);
 178                         sButton+="</a>";
 179                 }
 180         }
 181         else if(sType=="hidenav")
 182         {
 183                 if(isShowHideEnable())
 184                 {
 185                         var sTitle="Hide Navigation Component";
 186                         goHideNav=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 187                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnhidenav\" href=\"javascript:void(0);\" onclick=\"showHidePane(false);return false;\">";
 188                         if(nStyle==BTN_TEXT)
 189                                 sButton+=goHideNav.sText;
 190                         else
 191                                 sButton+=getImage(goHideNav,sTitle);
 192                         sButton+="</a>";
 193                 }
 194         }
 195         else if(sType=="synctoc")
 196         {
 197                 if(gaPaths.length>0)
 198                 {
 199                         var sTitle="Sync TOC";
 200                         goSync=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 201                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnsynctoc\" href=\"javascript:void(0);\" onclick=\"syncWithShow();return false;\">";
 202                         if(nStyle==BTN_TEXT)
 203                                 sButton+=goSync.sText;
 204                         else
 205                                 sButton+=getImage(goSync,sTitle);
 206                         sButton+="</a>";
 207                 }
 208         }
 209         else if(sType=="websearch")
 210         {
 211                 if(gsSearchFormHref.length>0)
 212                 {
 213                         var sTitle="WebSearch";
 214                         goWebSearch=new button(sText,nWidth,nHeight,sImg1,sImg2,sImg3);
 215                         sButton="<a title=\""+sTitle+"\" class=\"whtbtnwebsearch\" href=\""+gsSearchFormHref+"\">";
 216                         if(nStyle==BTN_TEXT)
 217                                 sButton+=goWebSearch.sText;
 218                         else
 219                                 sButton+=getImage(goWebSearch,sTitle);
 220                         sButton+="</a>";
 221                 }
 222         }
 223         else if(sType=="searchform")
 224         {
 225                 gaButtons[nBtn]="NeedSearchForm";
 226                 gaTypes[nBtn]=sType;
 227         }
 228         if(sButton.length!=0)
 229         {
 230                 if(nStyle==BTN_TEXT)
 231                         sButton+="&nbsp;";
 232                 gaButtons[nBtn]="<td>"+sButton+"</td>";
 233                 gaTypes[nBtn]=sType;
 234         }
 235 }
 236
 237 function isSyncEnabled()
 238 {
 239         if(!gbCheckSync)
 240         {
 241                 var oMsg=new whMessage(WH_MSG_ISSYNCSSUPPORT,this,1,null);
 242                 if(SendMessage(oMsg))
 243                 {
 244                         gbSyncEnabled=oMsg.oParam;
 245                 }
 246                 gbCheckSync=true;
 247         }
 248         return gbSyncEnabled;
 249 }
 250
 251 function isInPopup()
 252 {
 253         return (window.name.indexOf("BSSCPopup")!=-1);
 254 }
 255
 256 function getIntopicBar(sAlign)
 257 {
 258         var sHTML="";
 259         if(gaButtons.length>0)
 260         {
 261                 sHTML+="<div align="+sAlign+">";
 262
 263                 sHTML+="<table cellpadding=\"2\" cellspacing=\"0\" border=\"0\"><tr>";
 264                 for(var i=0;i<gaButtons.length;i++)
 265                 {
 266                         if(gaTypes[i]!="synctoc"||isSyncEnabled())
 267                         {
 268                                 if(gaButtons[i]=="NeedSearchForm")
 269                                         sHTML+=getSearchFormHTML();
 270                                 else
 271                                         sHTML+=gaButtons[i];
 272                         }
 273                 }
 274                 sHTML+="</tr></table>";
 275
 276                 sHTML+="</div>";
 277         }
 278         return sHTML;
 279 }
 280
 281
 282 function writeIntopicBar(nAligns)
 283 {
 284         if(isInPopup()) return;
 285         if(gaButtons.length>0)
 286         {
 287                 var sHTML="";
 288                 if(nAligns!=0)
 289                 {
 290                         sHTML+="<table width=100%><tr>"
 291                         if(nAligns&1)
 292                                 sHTML+="<td width=33%>"+getIntopicBar("left")+"</td>";
 293                         if(nAligns&2)
 294                                 sHTML+="<td width=34%>"+getIntopicBar("center")+"</td>";
 295                         if(nAligns&4)
 296                                 sHTML+="<td width=33%>"+getIntopicBar("right")+"</td>";
 297                         sHTML+="</tr></table>";
 298                         document.write(sHTML);
 299                 }
 300         }
 301 }
 302
 303 function sendAveInfoOut()
 304 {
 305         if(!isInPopup())
 306                 setTimeout("sendAveInfo();",100);
 307 }
 308
 309 function sendAveInfo()
 310 {
 311         var oMsg=new whMessage(WH_MSG_AVENUEINFO,this,1,gaAvenues);
 312         SendMessage(oMsg);
 313 }
 314
 315
 316 function onNext()
 317 {
 318         var oMsg=new whMessage(WH_MSG_NEXT,this,1,null);
 319         SendMessage(oMsg);
 320 }
 321
 322 function onPrev()
 323 {
 324         var oMsg=new whMessage(WH_MSG_PREV,this,1,null);
 325         SendMessage(oMsg);
 326 }
 327
 328 function createSyncInfo()
 329 {
 330         var oParam=new Object();
 331         if(gsPPath.length==0)
 332                 gsPPath=_getPath(document.location.href);
 333         oParam.sPPath=gsPPath;
 334         oParam.sTPath=document.location.href;
 335         oParam.aPaths=gaPaths;
 336         return oParam;
 337 }
 338
 339 function syncWithShow()
 340 {
 341         if(isTopicOnly())
 342                 show();
 343         else
 344         {
 345                 sync();
 346                 showTocPane();
 347         }
 348 }
 349
 350 function showTocPane()
 351 {
 352         var oMsg=new whMessage(WH_MSG_SHOWTOC,this,1,null);
 353         SendMessage(oMsg);
 354 }
 355
 356 function sendSyncInfo()
 357 {
 358         if(!isInPopup())
 359         {
 360                 var oParam=null;
 361                 if(gaPaths.length>0)
 362                 {
 363                         oParam=createSyncInfo();
 364                 }
 365                 var oMsg=new whMessage(WH_MSG_SYNCINFO,this,1,oParam);
 366                 SendMessage(oMsg);
 367         }
 368 }
 369
 370 function sendInvalidSyncInfo()
 371 {
 372         if(!isInPopup())
 373         {
 374                 var oMsg=new whMessage(WH_MSG_SYNCINFO,this,1,null);
 375                 SendMessage(oMsg);
 376         }
 377 }
 378
 379 function enableWebSearch(bEnable)
 380 {
 381         if(!isInPopup())
 382         {
 383                 var oMsg=new whMessage(WH_MSG_ENABLEWEBSEARCH,this,1,bEnable);
 384                 SendMessage(oMsg);
 385         }
 386 }
 387
 388 function autoSync(nSync)
 389 {
 390         if(nSync==0) return;
 391         if(isInPopup()) return;
 392         if(isOutMostTopic())
 393                 sync();
 394 }
 395
 396 function isOutMostTopic()
 397 {
 398         if(gnOutmostTopic==-1)
 399         {
 400                 var oMessage=new whMessage(WH_MSG_ISINFRAMESET,this,1,null);
 401                 if(SendMessage(oMessage))
 402                         gnOutmostTopic=0;
 403                 else
 404                         gnOutmostTopic=1;
 405         }
 406         return (gnOutmostTopic==1);
 407 }
 408
 409 function sync()
 410 {
 411         if(gaPaths.length>0)
 412         {
 413                 var oParam=createSyncInfo();
 414                 var oMessage=new whMessage(WH_MSG_SYNCTOC,this,1,oParam);
 415                 SendMessage(oMessage);
 416         }
 417 }
 418
 419
 420 function avenueInfo(sName,sPrev,sNext)
 421 {
 422         this.sName=sName;
 423         this.sPrev=sPrev;
 424         this.sNext=sNext;
 425 }
 426
 427 function getCurrentAvenue()
 428 {
 429         var oParam=new Object();
 430         oParam.sAvenue=null;
 431         var oMessage=new whMessage(WH_MSG_GETCURRENTAVENUE,this,1,oParam);
 432         SendMessage(oMessage);
 433         return oParam.sAvenue;
 434 }
 435
 436 function unRegisterListener()
 437 {
 438         sendInvalidSyncInfo();
 439         enableWebSearch(false);
 440         if(whtopic_foldUnload)
 441                 whtopic_foldUnload();
 442 }
 443
 444 function onSendMessage(oMsg)
 445 {
 446         var nMsgId=oMsg.nMessageId;
 447         if(nMsgId==WH_MSG_GETAVIAVENUES)
 448         {
 449                 oMsg.oParam.aAvenues=gaAvenues;
 450                 return false;
 451         }
 452         else if(nMsgId==WH_MSG_GETTOCPATHS)
 453         {
 454                 if(isOutMostTopic())
 455                 {
 456                         oMsg.oParam.oTocInfo=createSyncInfo();
 457                         return false;
 458                 }
 459                 else
 460                         return true;
 461         }
 462         else if(nMsgId==WH_MSG_NEXT)
 463         {
 464                 goAvenue(true);
 465         }
 466         else if(nMsgId==WH_MSG_PREV)
 467         {
 468                 goAvenue(false);
 469         }
 470         else if(nMsgId==WH_MSG_WEBSEARCH)
 471         {
 472                 websearch();
 473         }
 474         return true;
 475 }
 476
 477 function goAvenue(bNext)
 478 {
 479         var sTopic=null;
 480         var sAvenue=getCurrentAvenue();
 481         var nAvenue=-1;
 482         if(sAvenue!=null&&sAvenue!="")
 483         {
 484                 for(var i=0;i<gaAvenues.length;i++)
 485                 {
 486                         if(gaAvenues[i].sName==sAvenue)
 487                         {
 488                                 nAvenue=i;
 489                                 break;
 490                         }
 491                 }
 492                 if(nAvenue!=-1)
 493                 {
 494                         if(bNext)
 495                                 sTopic=gaAvenues[nAvenue].sNext;
 496                         else
 497                                 sTopic=gaAvenues[nAvenue].sPrev;
 498                 }
 499         }
 500         else
 501         {
 502                 for(var i=0;i<gaAvenues.length;i++)
 503                 {
 504                         if(gaAvenues[i].sNext!=null&&gaAvenues[i].sNext.length>0&&bNext)
 505                         {
 506                                 sTopic=gaAvenues[i].sNext;
 507                                 break;
 508                         }
 509                         else if(gaAvenues[i].sPrev!=null&&gaAvenues[i].sPrev.length>0&&!bNext)
 510                         {
 511                                 sTopic=gaAvenues[i].sPrev;
 512                                 break;
 513                         }
 514                 }
 515         }
 516
 517         if(sTopic!=null&&sTopic!="")
 518         {
 519                 if(gsPPath!=null&&gsPPath!="")
 520                 {
 521                         sFullTopicPath=_getFullPath(gsPPath,sTopic);
 522                         document.location=sFullTopicPath;
 523                 }
 524         }
 525 }
 526
 527 function canGo(bNext)
 528 {
 529         for(var i=0;i<gaAvenues.length;i++)
 530         {
 531                 if((gaAvenues[i].sNext!=null&&gaAvenues[i].sNext.length>0&&bNext)||
 532                         (gaAvenues[i].sPrev!=null&&gaAvenues[i].sPrev.length>0&&!bNext))
 533                         return true;
 534         }
 535         return false;
 536 }
 537
 538 function show()
 539 {
 540         if(gsStartPage!="")
 541                 window.location=gsStartPage+"#"+gsRelCurPagePath;
 542 }
 543
 544 function hide()
 545 {
 546         if(goFrame!=null)
 547         {
 548                 goFrame.location=window.location;
 549         }
 550 }
 551
 552 function isTopicOnly()
 553 {
 554         if(gnTopicOnly==-1)
 555         {
 556                 var oParam=new Object();
 557                 oParam.oFrame=null;
 558                 var oMsg=new whMessage(WH_MSG_GETSTARTFRAME,this,1,oParam);
 559                 if(SendMessage(oMsg))
 560                 {
 561                         goFrame=oParam.oFrame;
 562                         gnTopicOnly=0;
 563                 }
 564                 else
 565                         gnTopicOnly=1;
 566         }
 567         if(gnTopicOnly==1)
 568                 return true;
 569         else
 570                 return false;
 571 }
 572
 573 function websearch()
 574 {
 575         if(gbNav4)
 576         {
 577                 if(document.ehelpform)
 578                         document.ehelpform.submit();
 579         }
 580         else
 581         {
 582                 if(window.ehelpform)
 583                         window.ehelpform.submit();
 584         }
 585 }
 586
 587 function addSearchFormHref(sHref)
 588 {
 589         gsSearchFormHref=sHref;
 590         enableWebSearch(true);
 591 }
 592
 593 function searchB(nForm)
 594 {
 595         var sValue=eval("document.searchForm"+nForm+".searchString.value");
 596         var oMsg=new whMessage(WH_MSG_SEARCHTHIS,this,1,sValue);
 597         SendMessage(oMsg);
 598 }
 599
 600 function getSearchFormHTML()
 601 {
 602         var sHTML="";
 603         gnForm++;
 604         var sFormName="searchForm"+gnForm;
 605         var sButton="<form name=\""+sFormName+"\" method=\"POST\" action=\"javascript:searchB("+gnForm+")\">"
 606         sButton+="<input type=\"text\" name=\"searchString\" value=\"- Full Text search -\" size=\"20\"/>";
 607         if(""=="text")
 608         {
 609                 sButton+="<a class=\"searchbtn\" href=\"javascript:void(0);\" onclick=\""+sFormName+".submit();return false;\"></a>";
 610         }
 611         else if(""=="image")
 612         {
 613                 sButton+="<a class=\"searchbtn\" href=\"javascript:void(0);\" onclick=\""+sFormName+".submit();return false;\">"
 614                 sButton+="<img src=\"\" border=0></a>";
 615         }
 616         sButton+="</form>";
 617         sHTML="<td align=\"center\">"+sButton+"</td>";
 618         return sHTML;
 619 }
 620
 621 function showHidePane(bShow)
 622 {
 623         var oMsg=null;
 624         if(bShow)
 625                 oMsg=new whMessage(WH_MSG_SHOWPANE,this,1,null);
 626         else
 627                 oMsg=new whMessage(WH_MSG_HIDEPANE,this,1,null);
 628         SendMessage(oMsg);
 629 }
 630
 631 function isShowHideEnable()
 632 {
 633         if(gbIE4)
 634                 return true;
 635         else
 636                 return false;
 637 }
 638
 639
 640 function PickupDialog_Invoke()
 641 {
 642         if(!gbIE4||gbMac)
 643         {
 644                 if(typeof(_PopupMenu_Invoke)=="function")
 645                         return _PopupMenu_Invoke(PickupDialog_Invoke.arguments);
 646         }
 647         else
 648         {
 649                 if(PickupDialog_Invoke.arguments.length>2)
 650                 {
 651                         var sPickup="whskin_pickup.htm";
 652                         var sPickupPath=gsPPath+sPickup;
 653                         if(gbIE4)
 654                         {
 655                                 var sFrame=PickupDialog_Invoke.arguments[1];
 656                                 var aTopics=new Array();
 657                                 for(var i=2;i<PickupDialog_Invoke.arguments.length;i+=2)
 658                                 {
 659                                         var j=aTopics.length;
 660                                         aTopics[j]=new Object();
 661                                         aTopics[j].m_sName=PickupDialog_Invoke.arguments[i];
 662                                         aTopics[j].m_sURL=PickupDialog_Invoke.arguments[i+1];
 663                                 }
 664
 665                                 if(aTopics.length>1)
 666                                 {
 667                                         var nWidth=300;
 668                                         var nHeight=180;
 669                                         var     nScreenWidth=screen.width;
 670                                         var     nScreenHeight=screen.height;
 671                                         var nLeft=(nScreenWidth-nWidth)/2;
 672                                         var nTop=(nScreenHeight-nHeight)/2;
 673                                         if(gbIE4)
 674                                         {
 675                                                 var vRet=window.showModalDialog(sPickupPath,aTopics,"dialogHeight:"+nHeight+"px;dialogWidth:"+nWidth+"px;resizable:yes;status:no;scroll:no;help:no;center:yes;");
 676                                                 if(vRet)
 677                                                 {
 678                                                         var sURL=vRet.m_url;
 679                                                         if(sFrame)
 680                                                                 window.open(sURL,sFrame);
 681                                                         else
 682                                                                 window.open(sURL,"_self");
 683                                                 }
 684                                         }
 685                                 }
 686                                 else if(aTopics.length==1)
 687                                 {
 688                                         var sURL=aTopics[0].m_sURL
 689                                         if(sFrame)
 690                                                 window.open(sURL,sFrame);
 691                                         else
 692                                                 window.open(sURL,"_self");
 693                                 }
 694                         }
 695                 }
 696         }
 697 }
 698
 699 if(window.gbWhUtil&&window.gbWhMsg&&window.gbWhVer&&window.gbWhProxy)
 700 {
 701         RegisterListener("bsscright",WH_MSG_GETAVIAVENUES);
 702         RegisterListener("bsscright",WH_MSG_GETTOCPATHS);
 703         RegisterListener("bsscright",WH_MSG_NEXT);
 704         RegisterListener("bsscright",WH_MSG_PREV);
 705         RegisterListener("bsscright",WH_MSG_WEBSEARCH);
 706         if(gbMac&&gbIE4)
 707         {
 708                 if(typeof(window.onunload)!="unknown")
 709                         if(window.onunload.toString!=unRegisterListener.toString)
 710                                 whtopic_foldUnload=window.onunload;
 711         }
 712         else
 713         {
 714                 if(window.onunload)
 715                         if(window.onunload.toString!=unRegisterListener.toString)
 716                                 whtopic_foldUnload=window.onunload;
 717         }
 718         window.onunload=unRegisterListener;
 719         setButtonFont("show","","","","","","");
 720 setButtonFont("hide","","","","","","");
 721
 722         gbWhTopic=true;
 723 }
 724 else
 725         document.location.reload();