// JavaScript Document

// this array consists of the id attributes of the divs we wish to alternate between
var divs_to_fade = new Array('news1', 'news2', 'news3', 'news4');
		
// the starting index in the above array.  It should be set to the value of the div which doesn't have the CSS Display property set to "none"
var i = 0;
			
// the number of milliseconds between swaps.  Default is five seconds.
var wait = 10000;
			
var pause_force = false;
var continuous = true;

// the function that performs the fade
function swapFade() {

if (continuous == true && pause_force == false) {
	Effect.Fade(divs_to_fade[i], { duration:1, from:1.0, to:0.0 });
	i++;
	
	if (i == divs_to_fade.length) i = 0;
				
		Effect.Appear(divs_to_fade[i], { duration:1, from:0.0, to:1.0 });
	}
}
			


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  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 hide_subnav() {
	document.getElementById("sn_gallery").style.visibility = "hidden";
	document.getElementById("sn_mywork").style.visibility = "hidden";
	document.getElementById("sn_gallery").style.display = "none";
	document.getElementById("sn_mywork").style.display = "none";
			
}

function show_subnav(subnav_cat) {
	hide_subnav();
	document.getElementById(subnav_cat).style.visibility = "visible";
	document.getElementById(subnav_cat).style.display = "block";
}