// global variables
var currPage = ""
var maxPages = ""
var newWindow

function makeNewWindow(pHTML) {
        newWindow = window.open(pHTML,"")
				
        if (!newWindow.opener) {
            newWindow.opener = window
         }
}

function closeWindow() {
				 window.close()
				 }

function setCurrPage (pageVal) {
  currPage  = "" + pageVal
}

function setMaxPages(maxPagesVal) {
        maxPages = "" + maxPagesVal
}

function goHome() {
  bannerframe.location = "../banner.htm"
        bodyframe.location = "../bodyframe.htm"
        navframe.location = "../navframe.htm" 
}
function goNext() {
  var currOffset = parseInt(currPage)
  if (currOffset < maxPages) {
    ++currOffset
    bodyframe.location = "page" + currOffset + ".htm"
  } else {
    alert("This is the last page.")
  }
}
function goPrev() {
  var currOffset = parseInt(currPage)
  if (currOffset > 1) {
    --currOffset
    bodyframe.location = "page" + currOffset + ".htm"
  } else {
    alert("This is the first page.")
  }
}