<!-- For javascript form control

// 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 pages = new makeArray(" -- Jump to --",
"- - - - - - - - - - - - -",
"Introduction",
"The Common Biochemical Heritage of Life",
"Conditions for the Appearance of Life",
"The Oparin-Haldane Theory of the Origin of Life",
"The Geological Evidence",
"Precambrian Fossils",
"The Laboratory Evidence",
"The Problems of Organized Cells",
"Polymers and Microspheres",
"Coacervate Drops and Protobionts",
"The Drama of Life",
"Questions",
"- - - - - - - - - - - - -",
"Another Chapter..?");


// This array hold the URLs of the pages.

var urls = new makeArray("",
"",
"page01.htm",
"page06.htm",
"page09.htm",
"page10.htm",
"page13.htm",
"page16.htm",
"page21.htm",
"page25.htm",
"page26.htm",
"page28.htm",
"page31.htm",
"page36.htm",
"",
"http://www.chem.ox.ac.uk/vrchemistry/foundation.html");






// This function determines which page is selected and goes to it.

function goPage(form) {
i = form.menu.selectedIndex;            
    if (i != 0) {
    window.location.href = urls[i];  
    }
}
//-->