var strNavPage;

var N4, N6, IE4, IE5;
IE4 = document.all && !document.getElementById;
N4 = document.layers;
IE5 = document.all && document.getElementById;
N6 = document.getElementById && !document.all;

var layerRef, endLayerRef, styleRef;

if (N4) {
	//Netscape 4.x
	layerRef = "document.layers['";
	endLayerRef = "']";
	styleRef = "";
}
else if (N6 || IE5) {
	// Netscape 6
	layerRef = "document.getElementById('";
	styleRef = ".style";
	endLayerRef = "')";
}
else if (IE4) {
	//IE
	layerRef = "document.all['";
	endLayerRef = "']";
	styleRef = ".style";
}
else {
	//alert("Your browser does not support this web page");
}

function setNavLink() {
	if (N4) {
		//alert(layerRef + strNavLink + "menu" + endLayerRef + ".document.images['img" + strNavLink + "'].src = '/images/" + strNavLink + "hot.gif'");
		eval(layerRef + strNavLink + "menu" + endLayerRef + ".document.images['img" + strNavLink + "'].src = '/images/" + strNavLink + "hot.gif'");
	}
	else {
		//alert(layerRef + "img" + strNavLink + endLayerRef + ".src = '/images/" + strNavLink + "hot.gif'");
		eval(layerRef + "img" + strNavLink + endLayerRef + ".src = '/images/" + strNavLink + "hot.gif'");
	}
}
rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
    rnd.seed = (rnd.seed*9301+49297) % 233280;
    return rnd.seed/(233280.0);
};

function rand(number) {
    return Math.ceil(rnd()*number);
};

function rotateHeaderPhoto() {
	if (N4) {
		MM_swapImage('rotatephoto', '', '/images/rotate/rotatephoto' + rand(2) + '.jpg', 1);
	}
	else {
		eval(layerRef + 'rotatephoto' + endLayerRef + ".src = '/images/rotate/rotatephoto" + rand(2) + ".jpg'");
	}
}

// These are old Dreamweaver functions, and have the "magic" necessary to find the image
// in NetScape 4.7 (which doesn't handle embedded tables/divs/images very well).
function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; 
  document.MM_sr=new Array; 
  for(i=0;i<(a.length-2);i+=3){
   if ((x=MM_findObj(a[i]))!=null){
		document.MM_sr[j++]=x; 
		if(!x.oSrc) {
			x.oSrc=x.src;
		} 
		x.src=a[i+2];
	}
  }
}
function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}




function showHot(blnOn, divName)
{
	var i;
	
	if (blnOn)
	{
		// show menu layer
		eval(layerRef + divName + 'menuhot' + endLayerRef + styleRef + ".visibility = 'visible'");
	}
	else
	{
		// hide menu layer
		eval(layerRef + divName + 'menuhot' + endLayerRef + styleRef + ".visibility = 'hidden'");
	}
}