//ROLLOVER SCRIPT FOR GLOBAL NAVIGATION

var br = false;

if (((navigator.appName.indexOf('Netscape')>=0) && (navigator.appVersion.charAt(0)>=3)) || ((navigator.appName.indexOf('Microsoft') >= 0) && (navigator.appVersion.substring(navigator.appVersion.indexOf('MSIE ')+5,navigator.appVersion.indexOf('MSIE ')+6)>=4))) {
    br = true;
}

// Create image objects, preload all active and inactive images
// You don't need to use any particular naming conventions
// with the actual image files themselves.
// You can also use any combination of .gif, .jpg, .png, or
// any other file format the browser will display

if (br) {

	img1on = new Image( ); img1on.src = "/_img/nav_g_order_on.gif";
	img1off = new Image( ); img1off.src = "/_img/nav_g_order_off.gif";

	img2on = new Image( ); img2on.src = "/_img/nav_g_about_on.gif";
	img2off = new Image( ); img2off.src = "/_img/nav_g_about_off.gif";

	img3on = new Image( ); img3on.src = "/_img/nav_g_glossary_on.gif";
	img3off = new Image( ); img3off.src = "/_img/nav_g_glossary_off.gif";

	img4on = new Image( ); img4on.src = "/_img/nav_g_news_on.gif";
	img4off = new Image( ); img4off.src = "/_img/nav_g_news_off.gif";

	img5on = new Image( ); img5on.src = "/_img/nav_g_home_on.gif";
	img5off = new Image( ); img5off.src = "/_img/g_nav_home_off.gif";


}

// Function to "activate" images

function imgAct(imgName) {
    if (br) {
        document[imgName].src = eval(imgName + "on.src");
    }
}

// Function to "de-activate" images

function imgInact(imgName) {
    if (br) {
        document[imgName].src = eval(imgName + "off.src");
    }
}

//-->
//<!--- Random image code --->

var currentdate = 0
var core = 0

function StringArray (n) {
  this.length = n;
  for (var i =1; i <= n; i++) {
    this[i] = ' '

  }
}

image = new StringArray(18)
image[0] = '/_img/photos/lg_photo_01.jpg'
image[1] = '/_img/photos/lg_photo_02.jpg'
image[2] = '/_img/photos/lg_photo_03.jpg'
image[3] = '/_img/photos/lg_photo_04.jpg'
image[4] = '/_img/photos/lg_photo_05.jpg'
image[5] = '/_img/photos/lg_photo_06.jpg'
image[6] = '/_img/photos/lg_photo_07.jpg'
image[7] = '/_img/photos/lg_photo_08.jpg'
image[8] = '/_img/photos/lg_photo_09.jpg'
image[9] = '/_img/photos/lg_photo_10.jpg'
image[10] = '/_img/photos/lg_photo_11.jpg'
image[11] = '/_img/photos/lg_photo_12.jpg'
image[12] = '/_img/photos/lg_photo_13.jpg'
image[13] = '/_img/photos/lg_photo_14.jpg'
image[14] = '/_img/photos/lg_photo_15.jpg'
image[15] = '/_img/photos/lg_photo_16.jpg'
image[16] = '/_img/photos/lg_photo_17.jpg'
image[17] = '/_img/photos/lg_photo_18.jpg'


var ran = 60/image.length

function ranimage() {
  currentdate = new Date()
  core = currentdate.getSeconds()
  core = Math.floor(core/ran)
    return(image[core])
}