Cookie Clicker javascript v0.3a

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Cookie Clacker</title>
<b><font face="bankgothic lt bt" color="orange" size="4">
<center>Welcome To Cookie Clacker<br><br>
<div style="position: absolute; right: 0;">
Shop
<br>
<button onclick="fdouble()" id="double">Double You're Cookies (100 Cookies)</button>
<br>
<button onclick="fbomb()" id="bomb">Atomic Bomb (400 Cookies)</button>
<br />
<button onclick="ftest()" id="test">Test (10000000000000 Cookies)</button>
</div>
<script type="text/javascript">
var total = 0;
var m = 1;
var double = 0;
var bomb = 0;
var test = 0;
var sizeddown = 0;
function countClicks() {
 total = total + m;
    document.getElementById("cookies").innerHTML = total;
    sizedown();
}
function sizedown(){
    document.getElementById("cookie").innerHTML = "<img onclick='javascript:countClicks();' src='http://www.pindarcreative.co.uk/images/cookie.png' alt='alt text' width='245' height='245'/>"
;
countdown = setTimeout('sizeup()', 50);
setTimeout('sizeup()', 50);
}
function sizeup(){
        document.getElementById("cookie").innerHTML = "<img onclick='javascript:countClicks();' src='http://www.pindarcreative.co.uk/images/cookie.png' alt='alt text' width='250' height='250'/>"
;
    }

function fdouble() {
if(total >= 100 && bomb == 0){
total = total - 100;
m = m*2;
double = 1;
document.getElementById("double").style.visibility="hidden";
document.getElementById("cookies").innerHTML = total;
}
}

function fbomb() {
if(total >= 400){
total = total - 400;
m = 100;
document.getElementById("bomb").style.visibility="hidden";
}
document.getElementById("cookies").innerHTML = total;
}


function ftest(){
    if(total >= 10){
        test = 1;
        total =  total - 10;
        document.getElementById("test").style.visibility="hidden";
        document.getElementById("cookies").innerHTML = total;
    }
}
function countdown_trigger() {
if(test == 1){
total++;
}
document.getElementById('cookies').innerHTML = total;
countdown = setTimeout('countdown_trigger()', 1000);
}
setTimeout('countdown_trigger()', 1000);

</script>
</font>
</head>
<body>
<p id="cookie">
<img onclick="javascript:countClicks();" src="http://www.pindarcreative.co.uk/images/cookie.png" alt="alt text" width="250" height="250"/>
</p>

<font face="bankgothic lt bt" color="orange" size="4">Cookies: <p id="cookies" style="color:orange">0</font></p></b>

<body background="http://www.hdpaperwall.com/wp-content/uploads/2013/10/bg.jpg">
</body></center>


</html>