document.getElementById("extend1").innerHTML="<a href='http://www.mig117.com/present' title='Ã׸ñÀñÆ·' ><img src=IMAGES/migPresent.gif border=0></a>";
var x = 50,y = 60 ;
var xin = true, yin = true ;
var step = 1 ;
var delay = 10 ;
var obj=document.getElementById("extend1") ;
function floatAD() { 
	var L=T=0; 
	var R= document.body.clientWidth-obj.offsetWidth;
	var B = document.body.clientHeight-obj.offsetHeight;
	obj.style.left = x + document.body.scrollLeft;
	obj.style.top = y + document.body.scrollTop;
	x = x + step*(xin?1:-1) 
	if (x < L) { xin = true; x = L} 
	if (x > R){ xin = false; x = R} 
	y = y + step*(yin?1:-1) 
	if (y < T) { yin = true; y = T } 
	if (y > B) { yin = false; y = B } 
} 

var itl= setInterval("floatAD()", delay) 
obj.onmouseover=function(){
	clearInterval(itl)
} 
obj.onmouseout=function(){
	itl=setInterval("floatAD()", delay)
} // JavaScript Document