// Array Function

function makeArray() {
var args = makeArray.arguments;
    for (var i = 0; i < args.length; i++) {
    this[i] = args[i];
    }
this.length = args.length;
}

// This array holds the descriptions and names of the pages.

var allPages = new makeArray("Jump to a subtopic:",
                          "New Understanding of Life And Its Processes",
                          "- Structure of Proteins & DNA",
                          "- Protein &amp; Nucleic Acid Sequence Analysis",
                          "- Cellular Biology",
                          "- Pathology",
                          "- Blood Circulation and the Heart",
                          "- Understanding the Brain",
                          "- Respiration and the Lungs",
                          "Earth, the Environment and Society We Live In",
                          "- Understanding the Earth",
                          "- Earthquake Modeling",
                          "- Weather Forecasting",
                          "- Modeling Global Climate",
                          "- Air Quality Modeling",
                          "- Economics &amp; Social Policy",
                          "Evolution and Structure of the Universe",
                          "New Technology and Manufacturing Processes",
                          "- Manufacturing Process Design",
                          "- Semiconductor Design and Production",
                          "- Design of New Materials",
                          "- Aerospace Engineering and Design",
                          "At the Frontier of Physics and Chemistry",
                          "- Materials Science",
                          "- Advances in Atomic Physics",
                          "- Quantum Chemistry",
                          "- Turbulence and Convection")

// This array hold the URLs of the pages.
                          
var allUrls = new makeArray("",
                         "lifeproc.html",
                         "lifeproc.html#proteins",
                         "lifeproc.html#sequence",
                         "lifeproc.html#cellular",
                         "lifeproc.html#pathology",
                         "lifeproc.html#blood",
                         "lifeproc.html#brain",
                         "lifeproc.html#lungs",
                         "earth.html",
                         "earth.html#earth",
                         "earth.html#earthquake",
                         "earth.html#weather",
                         "earth.html#climate",
                         "earth.html#air",
                         "earth.html#economics",
                         "evolution.html",
                         "newtech.html",
                         "newtech.html#manufacturing",
                         "newtech.html#semiconductor",
                         "newtech.html#materials",
                         "newtech.html#aero",
                         "physchem.html",
                         "physchem.html#materials",
                         "physchem.html#atomic",
                         "physchem.html#quantum",
                         "physchem.html#turbulence");                                             

// This function determines which page is selected and goes to it.

function goPage(form) {
i = form.menu.selectedIndex;            
    if (i != 0) {
    window.location.href = "http://www.psc.edu/science/"+allUrls[i];
    form.menu.selectedIndex = 0;  
    }
}

//
function jumpTo(){
  var aJump, numJump
  numJump=document.jumpPage.whichPage.selectedIndex
  aJump=document.jumpPage.whichPage.options[numJump].value
  document.location="http://www.psc.edu/science/"+aJump
        }