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();
}
MM_reloadPage(true);

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) { //v4.0
  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_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];}
}


var browser;
function browserCheck(){  
        if(document.layers){ browser="NN4"; }
        if(document.all){ browser="ie"; }
        if(!document.all && document.getElementById){ browser="NN6"; }
}

var y = 0;

//--------------- functions for scrolling -----------------
function scroller(direction){ loop=false;
  loop=true;

	 if(direction=="up"){ scrollTimer = setTimeout("upScroll();",275); }
 	else {scrollTimer = setTimeout("downScroll();",275); }
}


function upScroll(){ 
	if(loop){

		if (y< 0){
			 y = y + 15;
				switch (browser) {
				case "NN6":	document.getElementById(lyr).style.top=y+"px"; break;
				case "NN4": document[lyr].moveTo(0, y); break;
				default: document.all[lyr].style.top = y; break;
				}
				scrollTimer = setTimeout("upScroll();",275);
				}
 		}
}


function downScroll(){
	if(loop){
		 y = y - 15;
			switch (browser){
				case "NN6":	document.getElementById(lyr).style.top=y+"px"; break;
				case "NN4": document[lyr].moveTo(0, y); break;
				default: document.all[lyr].style.top = y; break;
				}		
		scrollTimer = setTimeout("downScroll()",275);
 		}
}

function noScroll(){
        loop=false;
		clearTimeout(scrollTimer);
}

//------------- layer switching ---------------------
var lyr = "main";

function lyrSwitch(newLyr){
	y = 0; //resets scrollers
	
	switch (browser) {
				case "NN6":	document.getElementById(lyr).style.top=y+"px"; break;
				case "NN4": document[lyr].moveTo(0, y); break;
				default: document.all[lyr].style.top = y; break;
				}
	
	if (browser=="NN4"){
		document[lyr].visibility = "hidden";
		document[newLyr].visibility = "visible";
	}

	else { document.all[lyr].style.visibility = "hidden";
		document.all[newLyr].style.visibility = "visible";}

	lyr = newLyr;
	
}


function popup(which, width, height){

url = "images/" + which + ".htm";
window.open(url, "fireseed","toolbar=no,width=" + width + ",height=" + height + ",directories=no,status=no,scrollbars=no, resize=yes, menubar=no");
}