如不能顯示語法效果可貼去本站語法測試板試看

http://bunbun000.com/home/index/BBS.gif  <<<圖片網址

http://bunbun000.com/ <<<圖片連結位置

 alt="笨笨網站"  <<<指著圖片時顯示語句

var dx=88,dy=31;  <<<圖片實際大小

var choose=4;  <<<< 4為圖片出現之位置

1 顯示在右上角
2 顯示在左上角
3 顯示在左下角
4 顯示在右下角

<div id="mark" style="POSITION: absolute; VISIBILITY: visible  ; Z-INDEX: 2000; top: -500px; left:0px;">
<A href="http://bunbun000.com/" target="_blank">
<IMG img border="0" src="http://bunbun000.com/home/index/BBS.gif" alt="笨笨網站"></A>
</div>

<script language="javascript1.2">

var dx=88,dy=31;
var choose=4;

var bWidth,bHeight,offsetX,offsetY;
var layerRef="null",layerStyleRef="null",styleSwitch="null";

if (document.layers) {
 layerStyleRef="layer.";
 layerRef="document.layers";
 styleSwitch="";
 pxSwitch="";

 bHeight=window.innerHeight;
 bWidth= window.innerWidth;
 offsetX= "window.pageXOffset";
 offsetY=" window.pageYOffset";
}
else{
 layerStyleRef="layer.style.";
 layerRef="document.all";
 styleSwitch=".style";

 bHeight=document.body.clientHeight;
 bWidth= document.body.clientWidth;
 offsetX= "document.body.scrollLeft";
 offsetY= "document.body.scrollTop";
}

function moveLayerto(layerName,top,left){
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top=top');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left=left');
}

function alwaysONup(){
 var newY;
 if(choose == 1) {
  layer_y = 0;
  layer_x = bWidth;
  layer_x += -dx;
 }
 else if(choose == 2) {
  layer_y = 0;
  layer_x = 0;
 }
 else if(choose == 3) {
  layer_y = bHeight;
  layer_y += -dy;
  layer_x = 0;
 }
 else if(choose == 4) {
  layer_y = bHeight;
  layer_y += -dy;
  layer_x = bWidth;
  layer_x += -dx;
 }
 else {
  alert("所輸入不正確！")
 }
 eval('layer_y+='+offsetY);
 moveLayerto("mark",layer_y,layer_x);
 setInterval('alwaysONup()');
}

window.onLoad=alwaysONup();

</script>