<div id="codefans_net" style="position:absolute">
<a href="#" target="_blank">
<img src="images/banner.png" width='400px' border="0">
</a>
</div>
<script> var x = 50,y = 60 var xin = true, yin = true var step = 1 var delay = 10 var obj=document.getElementById("codefans_net") function float() { 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("float()", delay) obj.onmouseover=function(){clearInterval(itl)} obj.onmouseout=function(){itl=setInterval("float()", delay)} </script>
//在寫好的頁面上,放這段代碼,圖片怎麼都不動。
//後面改成jquery,好使了。
//宣傳圖片漂浮
var x = 50,y = 60;
var xin = true, yin = true;
var step = 1;
var delay = 10;
var obj=$('#codefans_net');
function float() {
var L=T=0
var R= $(window).width()-obj.outerWidth();
var B = $(window).height()-obj.outerHeight();
obj.css('left',x+$('body').scrollLeft());
obj.css('top',y+$('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("float()", delay)
obj.mouseover(function(){
clearInterval(itl);
});
obj.mouseout(function(){
itl=setInterval("float()", delay);
});
//----------漂浮完