Web page floating Picture code

<div id= "Flash" >
<script type= "Text/javascript" >
var widths = 865;
/* Display height, self adjustment * *
var heights = 255;
/* display width, self adjustment * *
var counts = 5;
IMG1 = new Image ();
IMG1.SRC = ' images/flash_07.jpg ';
Img2 = new Image ();
IMG2.SRC = ' images/flash_071.jpg ';
IMG3 = new Image ();
IMG3.SRC = ' images/flash_072.jpg ';
IMG4 = new Image ();
IMG4.SRC = ' images/flash_073.jpg ';
IMG5 = new Image ();
IMG5.SRC = ' images/flash_074.jpg ';
Url1=new Image (); url1.src= '; Pictures click on the page link
Url2=new Image (); url2.src= ';
Url3=new Image (); url3.src= ';
Url4=new Image (); url4.src= ';
Url5=new Image (); url5.src= ';
/* Recommend that this block be placed in the lower part of JS is almost no need for any changes * *
var nn = 1;
var key = 0;
function change_img () {
if (sys.ie) {
document.getElementById ("Pic"). Filters[0]. Apply ();
document.getElementById ("Pic"). Filters[0]. Play (Duration = 2);
//}
Eval (' document.getElementById ("Pic '). Src=img ' + nn + '. src ');
Eval (' document.getElementById (' url '). Href=url ' +nn+ '. src ');
nn++;
if (nn > counts) {
nn = 1;
}
tt = settimeout (' change_img () ', 7000);
} else {
if (key = = 0) {
key = 1;
else if (document.all) {
document.getElementById ("Pic"). Filters[0]. Apply ();
document.getElementById ("Pic"). Filters[0]. Play (Duration = 2);
}
Eval (' document.getElementById ("Pic '). Src=img ' + nn + '. src ');
Eval (' document.getElementById (' url '). Href=url ' +nn+ '. src ');
nn++;
if (nn > counts) {
nn = 1;
}
tt = settimeout (' change_img () ', 7000);
}
}
function changeimg (n) {nn=n;window.clearinterval (TT); change_img ();}
document.write (' <div><a id= "url" ></a></div> ');
for (Var i=1;i<counts+1;i++) {document.write (' <a href= ' javascript:changeimg (' +i+ '); "id=" Xxjdjj ' +i+ ' "class=" "Axx" target= "_self" > ' +i+ ' </a> ');
Change_img ();
</script>
</div>