navIndex = new Array("projdocs","design","confreps","contacts")

var NS4 = false
var IE4 = false
var DOM = false
var IE = false
var NS6 = false

oldIE = ( navigator.appName.indexOf('Microsoft') >= 0 && navigator.appVersion.indexOf('MSIE 4.') >= 0) ? true:false
if (document.getElementById) { DOM = true; browser="DOM"; }
if (document.layers && !DOM) { NS4 = true; browser="NS4"; }
if (document.all && !DOM) IE4 = true
if (navigator.appName.indexOf("Microsoft Internet Explorer") > -1) IE = true
if (DOM && !IE) NS6 = true

function init() {
	for (x=0;x<navIndex.length;x++) {
		eval(navIndex[x] + 'Layer = new domObject("' + navIndex[x] + 'OnLyr")')
	}
	showLayer(navIndex[currentPage])
}

function domObject(theName) {
	if (DOM) {
		this.sty = document.getElementById(theName).style
	}
	if (NS4) {
		this.sty = document.layers[theName]
	}
	if (IE4) {
		this.sty = this.document.all[theName].style
	}
}

function showLayer(whichLayer) {
	eval(whichLayer + "Layer.sty.visibility = 'visible'")
}

function hideLayer() {
	for(x=0;x<navIndex.length;x++) {
		if (currentPage != x) {
			eval(navIndex[x] + "Layer.sty.visibility = 'hidden'")
		}
	}
}