var tmr;
var t;
var obj;

function sFa() {
	obj = gObj();
	sLft();
	shw(true);
	t = 0;
	sTmr();
}

function hFa() {
	t = -100;
	sTmr();
	return false;
}

function sTmr() {
	tmr = setInterval("fd()",20);
}

function fd() {
	var amt = Math.abs(t+=10);
	if(amt == 0 || amt == 100) clearInterval(tmr);
	amt = (amt == 100)?99.999:amt;
  	
	obj.style.filter = "alpha(opacity:"+amt+")";
	obj.style.KHTMLOpacity = amt/100;
	obj.style.MozOpacity = amt/100;
	obj.style.opacity = amt/100;
	
	if(amt == 0) shw(false);
}

function sLft() {
	var w = 207;	// set this to 1/2 the width of the faw div defined in the style sheet 
			// there's not a reliable way to retrieve an element's width via javascript!!
					
	var l = (document.body.innerWidth)? document.body.innerWidth / 2:document.body.offsetWidth / 2;

	obj.style.left = (l - w)+"px";
}

function gObj() {
	return document.getElementById("faw");	
}

function shw(b) {
	(b)? obj.className = 'show':obj.className = '';	
}

function loadjscssfile(filename, filetype){
 if (filetype=="js"){ //if filename is a external JavaScript file
  var fileref=document.createElement('script')
  fileref.setAttribute("type","text/javascript");
  fileref.setAttribute("src", filename);
 }
 else if (filetype=="css"){ //if filename is an external CSS file
  var fileref=document.createElement("link")
  fileref.setAttribute("rel", "stylesheet");
  fileref.setAttribute("type", "text/css");
  fileref.setAttribute("href", filename);
 }
 if (typeof fileref!="undefined")
  document.getElementsByTagName("head")[0].appendChild(fileref)
}

//loadjscssfile('http://windonthewater.com/test2/1.php','js')

var filesadded="" //list of files already added

function checkloadjscssfile(filename, filetype){
 if (filesadded.indexOf("["+filename+"]")==-1){
  loadjscssfile(filename, filetype)
  filesadded+="["+filename+"]" //add to list of files already added, in the form of "[filename1],[filename2],etc"
 }
 else
  alert("file already added!")
}