//***********************************************

var platform;
	if (navigator.appVersion.indexOf("95") != -1) platform = "PC";
	if (navigator.appVersion.indexOf("2000") != -1) platform = "PC";
	if (navigator.appVersion.indexOf("98") != -1) platform = "PC";
    if (navigator.appVersion.indexOf("16") != -1) platform = "PC";
	if (navigator.appVersion.indexOf("NT") != -1) platform = "PC";
    if (navigator.appVersion.indexOf("PPC") != -1) platform = "Mac";
	if (navigator.appVersion.indexOf("PowerPC") != -1) platform = "Mac";

var browser = navigator.appName;

	if (browser=="Microsoft Internet Explorer") this.browser = "ie";
	else if (browser=="Netscape") this.browser = "ns";


//----------------------------------------------------------


//FUNCTION FIX CSS FOR NETSCAPE
function nsFix() {
  // This function checks to make sure the version of Netscape 
  // in use contains the bug; if so, it records the window's 
  // width and height and sets all resize events to be handled 
  // by the netscapeCssFix() function.
  if ((navigator.appName == 'Netscape') && (parseInt(navigator.appVersion) == 4)) {
    if (typeof document == 'undefined'){
      document = new Object;
    }
    if (typeof document.scaleFont == 'undefined') {
      document.netscapeCssFix = new Object;
      document.netscapeCssFix.initWindowWidth = window.innerWidth;
      document.netscapeCssFix.initWindowHeight = window.innerHeight;
    }
    window.onresize = netscapeCssFix;
  }
}

function netscapeCssFix() {

  // This part gets around another unfortunate bug whereby Netscape 
  // fires a resize event when the scrollbars pop up. This 
  // checks to make sure that the window's available size 
  // has actually changed.
  if (document.netscapeCssFix.initWindowWidth != window.innerWidth || document.netscapeCssFix.initWindowHeight != window.innerHeight) {
    document.location = document.location;
  }
}
//END FUNCTION FIX CSS


//FUNCTION TO HIDE AND SHOW POP up LAYERS
function MM_showHideLayers(layername,vis)
{
		if(vis == "show")
		{
			//IE
			if(document.all) {
				document.all[layername].style.visibility = "visible";
			}
			//NS
			else if(document.layers) {
				document.layers[layername].visibility = "visible";
			}
			//NS6
			else if(document.getElementById) {
				document.getElementById(layername).style.visibility = "visible";
			}
		}
		else
		{
			//IE
			if(document.all) {
				document.all[layername].style.visibility = "hidden";
			}
			//NS
			else if(document.layers) {
				document.layers[layername].visibility = "hidden";
			}
			//NS6
			else if(document.getElementById) {
				document.getElementById(layername).style.visibility = "hidden";
			}
		}	
}

//BEST COMPROMISE, just have pop up LAYERS time out ...fixes flicker problem in IE
function whilez(layername,time)
{
	 window.setTimeout('MM_showHideLayers("' +layername+ '","hide")', time);
}

//FUNCTION IMAGE SWAP2 ONMOUSE for the netscape layers 
	function swap2(imgname,imgB)
		{	
			//IE
			if(document.all) {
				document.all[imgname].src = eval(imgB + ".src");
			
			}
			//NS
			else if(document.layers) {
				document.wwlayer.document[imgname].src = eval(imgB + ".src");
			}
			//NS6
			else if(document.getElementById) {
				document[imgname].src = eval(imgB + ".src");
			}	
		}
//END FUNCTION IMAGE SWAP2


// library code to access layer objects
var agt = navigator.userAgent.toLowerCase();
var ver = parseInt(navigator.appVersion);

// redirect old browsers
//if (ver < 4){
	//alert('We dont support old browsers! Go get a newer one.');
	//location.replace('http://www.microsoft.com/ie/');

// set variable names for accepted browsers
//} else {

	var is_nav = false, is_nav4 = false, is_nav6 = false, is_ie = false;
	
	if ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('compatible') == -1)){
			is_nav = true;
		
		if(agt.indexOf('netscape6')!=-1){
			is_nav6 = true;
		} else{
			is_nav4 = true;
		}
		
	} else if (agt.indexOf("msie") != -1){
		is_ie = true;
	}

//}


// utility function to return available content width space in browser window
function getInsideWidth(){
	if (is_nav){
		return window.innerWidth;
	} else {
		return document.body.clientWidth;
	}
}

// utility function to set style properties in 3 browsers
function setIdProperty(id, property, value ){
   
    if (is_nav6){
        var styleObject = document.getElementById(id);
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            styleObject[property] = value;
        }
		
    } else if (is_nav4){
        document[id][property] = value;
    
	} else if (is_ie){
         document.all[id].style[property] = value;
    }
}

// extract parameters from the URL and store in params obj
var urlArray = location.href.split('?');
if (urlArray[1]){
	var qs = true;
	var fIndex = urlArray[1].substring(2);
	
} else {
	var fIndex = 1;
}

var layerArray = new Array();
if (fIndex == 1){
	layerArray[0] = 'wwlayer';
} else if (fIndex < 4) {
	layerArray[0] = 'wwlayer';
} else {
	layerArray[0] = 'wwlayer';
}


// function to center a layer
function centerIt(){
		
	// cycle through all layers to move
	for(i=0; i<layerArray.length; i++){
		
		var layer = layerArray[i];
		var objWidth = 600; // set this param to width of main div's
		var x = Math.round((getInsideWidth()/2) - (objWidth/2));
		setIdProperty(layer, "left", x);
	}
	
}

// function to reload page to fix netscape
function reloadScreen(){
		location.reload();
}