<p id="s">fly</p>
<script>
function move(){
var id=document.getElementById("s");
id.style.position="absolute";
if(!id.style.left){
id.style.left="200px";}
if(id.style.left){id.style.top="200px";}
id.style.color="red";
var x1=parseInt(id.style.left);
var y1=parseInt(id.style.top);
if(x1<500){x1++}
if(y1<450){y1++}
id.style.left=x1+"px";
id.style.top=y1+"px";
setTimeout("move()",10);
}
move();
</script>
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