/*** BROWSER DETECTION OBJECT ***/
var is = {  ie:   navigator.appName == 'Microsoft Internet Explorer', //returns true or false
		    ns:   navigator.appName == 'Netscape',//returns true or false
		    vs:   parseFloat(navigator.appVersion.substr(21)) || parseFloat(navigator.appVersion)}//returns integer

function swapElements (num,st) {
	swapDivs(num,st);
	//heroSwap(num,st); //THIS FUNCTION SHOULD BE EMBEDDED IN EACH PRODUCT PAGE WITH PAGE-SPECIFIC IMAGE REFS
}		

/*** DOM VARIABLES FOR USE WITH swapDivs FUNCTION ***/
/*** NOTE: domStr1 and domStr2 should branch off DOM specific properties rather than browser version
	 due to the fact that Netscape browsers 4.75+ and Netscape 6 all respond as being version 5 browsers ***/
var domStr1 = (document.all)?'all.':(document.getElementById)?'getElementById("':'';
var domStr2 = (document.all)?'.style':(document.getElementById)?'").style':'';
var brOk = (is.ie&&is.vs>='4'||is.ns&&is.vs>='4')?true:false;

function swapHomeDivs (div,num) {
	if (brOk) {
		var vis = (num==0)?'hidden':'visible';
		eval('document.' + domStr1 + div + domStr2 + '.visibility = "' + vis + '"');
	}		
}

function swapDivs (div,num) {
	if (brOk) {		
		if(num==0) {
			eval('document.' + domStr1 + 'f' + div + domStr2 + '.visibility = "hidden"');
			eval('document.' + domStr1 + 'f0' + domStr2 + '.visibility = "visible"');
		} else {
			eval('document.' + domStr1 + 'f' + div + domStr2 + '.visibility = "visible"');
			eval('document.' + domStr1 + 'f0' + domStr2 + '.visibility = "hidden"');
		}
	}		
}

function launchDemo() {
  window.open("./Flash/demo.asp","demo_wnd","height=320,width=478,left=250,top=200");
}

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 MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  if ((obj=MM_findObj(args[i]))!=null) 
  { v=args[i+2];
    if (obj.style) 
		{ obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v;}
    obj.visibility=v; }
}

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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }
  }else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}


function launchTimeline() {
  var height = 400;
  var width = 590;

  //use template with image
  window.open('timeline.htm','time_wnd','width=' + width + ',height=' + height + ',left=250,top=150,resizable=no');      
}