//  BROWSER SNIFFER
var browserID
if (document.all) {
	browserID = "IE"
} else if (document.getElementById) {
	browserID = "MZ"
}

function swapDiv(featureID) {
	hideDiv("topFeature0");
	hideDiv("topFeature1");
	hideDiv("topFeature2");
	hideDiv("topFeature3");
	showDiv("topFeature" + featureID);
}

var spotID = 0;

function revealSteps() { 
	setTimeout("revealSteps()", 3500);
	spotID += 1;
	if (spotID > 3) {
		spotID = 0;
		hideDiv("step1");
		hideDiv("step2");
		hideDiv("step3");
	} else {
		showDiv("step" + spotID);
	}
} 

function hideDiv(divID) {
	if (browserID =="IE") {
		document.all[divID].style.visibility = "hidden";
	} else if (browserID == "MZ") {
		document.getElementById(divID).style.visibility = "hidden";
	}
}

function showDiv(divID) {
	if (browserID =="IE") {
		document.all[divID].style.visibility = "visible";
	} else if (browserID == "MZ") {
		document.getElementById(divID).style.visibility = "visible";
	}
}


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];}
}