function displaydesc(which){
if (document.all) 
descriptions.innerHTML=textdisplay[which];
else if (document.getElementById) 
document.getElementById("descriptions").innerHTML=textdisplay[which];
pageNum = which;
if (ns4) {} else {setupArrows(); boldCurrentPage();}
}

function changePageNumber(whichnum,direction,url){
  if (direction == 1) {
    if (pageNum != navlen) {
      pageNum = pageNum + 1;
      if(whichnum == 1) { document.location = "" + url + "?pageNum=" + pageNum; }
      else {displaydesc(pageNum); }
    }
    if (pageNum == navlen) {
      rightBlank();
    }
  } else {
    if (pageNum != 0) {
      pageNum = pageNum - 1;
      if(whichnum == 1) { document.location = "" + url + "?pageNum=" + pageNum;}
      else {displaydesc(pageNum); }
    }
    if (pageNum == 0) {
      leftBlank();
    }
  }
}

function boldCurrentPage() {
      for(i=1;i<=navlen+1;i++) {
          if(eval('pagenumber1'+i)) { changeCurrentPageStyle(eval('pagenumber1'+i),'normal','none') };
          if(eval('pagenumber2'+i)) { changeCurrentPageStyle(eval('pagenumber2'+i),'normal','none') };
      }
     pageToUse = pageNum + 1;
      if(eval('pagenumber1'+pageToUse)) { changeCurrentPageStyle(eval('pagenumber1'+pageToUse),'bold','underline') };
      if(eval('pagenumber2'+pageToUse)) { changeCurrentPageStyle(eval('pagenumber2'+pageToUse),'bold','underline') };
}

function changeCurrentPageStyle(myObj,myWeight,myDecor) {
  myObj.style.fontWeight = myWeight;
  myObj.style.textDecoration = myDecor;
}

function setupArrows(){
  if(document.rightarrow1) document.rightarrow1.src = rightSrc;
  if(document.rightarrow2) document.rightarrow2.src = rightSrc;
  if(document.leftarrow1) document.leftarrow1.src = leftSrc;
  if(document.leftarrow2) document.leftarrow2.src = leftSrc;
    if (pageNum == navlen) { rightBlank(); }
    if (pageNum == 0) { leftBlank();}
}

function leftBlank() {
      if(document.leftarrow1) document.leftarrow1.src = spacerSrc;
      if(document.leftarrow2) document.leftarrow2.src = spacerSrc;
}

function rightBlank() {
      if(document.rightarrow1) document.rightarrow1.src = spacerSrc;
      if(document.rightarrow2) document.rightarrow2.src = spacerSrc;
}

function addViewAll() {
  displayme = "";
  for(i=0; i<navlen; i++) {
    displayme = displayme + textdisplay[i];
  }
  textdisplay[navlen] = displayme;
}
  
  
function startitup() {
pageNum = 0;

if (window.location.search.length > 1) {
  var args = window.location.search.substring(1);                       
  eval(args);
}

addViewAll(); displaydesc(pageNum); if (ns4) {} else {setupArrows(); boldCurrentPage();}
}