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Text File  |  2003-10-21  |  1.2 KB  |  76 lines
  1. function getNextPage(curPage){
  2.      leng = coRel.length;
  3.      j=0;
  4.      nextPage = '';
  5.      found=false;
  6.      for(i=0;i<leng;i++){
  7.         if (coRel[i][0] == curPage){
  8.             j=i;
  9.             for(j=i;j<leng;j++){
  10.                 if (coRel[j][0] != curPage){
  11.                     nextPage=coRel[j][0];
  12.                     found=true;
  13.                     break;
  14.                 }
  15.             }
  16.             if (found){
  17.                 break;
  18.             }            
  19.         }
  20.      }
  21.     return nextPage;
  22.     }
  23.  
  24.     function getPrevPage(curPage){
  25.      leng = coRel.length;
  26.      j=0;
  27.      prevPage = '';
  28.      found=false;
  29.      for(i=0;i<leng;i++){
  30.         if (coRel[i][0] == curPage){
  31.             j=i;
  32.             for(j=i;j<leng;j--){
  33.                 if (coRel[j][0] != curPage){
  34.                     prevPage=coRel[j][0];
  35.                     found=true;
  36.                     break;
  37.                 }
  38.             }
  39.             if (found){
  40.                 break;
  41.             }            
  42.         }
  43.      }
  44.      return prevPage;
  45.     }
  46.  
  47.     function getCurrentPage(curPage){
  48.      leng = coRel.length;
  49.      j=0;
  50.      currentPage = '';
  51.      found=false;
  52.  
  53.      for(i=0; i<leng; i++){
  54.         if (coRel[i][1] == curPage){
  55.             found=true;
  56.             currentPage = coRel[i][0];
  57.             break;
  58.         }
  59.         if (found){
  60.             break;
  61.         }            
  62.      }
  63.      return currentPage;
  64.     }
  65.  
  66.     function goPrevPage(curPage,isbn){
  67.         pg=getPrevPage(curPage);
  68.         window.document.location = (servletName+"?ACTION=9&FILE="+pg+".html&ISBN="+isbn);
  69.     }
  70.  
  71.  
  72.     function goNextPage(curPage,isbn){
  73.         pg1=getNextPage(curPage);
  74.         window.document.location = (servletName+"?ACTION=9&FILE="+pg1+".html&ISBN="+isbn);
  75.     }
  76.