怎样在下面的代码中实现从数据库中调用数据:
<SCRIPT language=JavaScript>
<!--
//左边
var left_img='<a href=http://www.029mr.com target=_blank><img src=ad/ad1.gif border=0 width=100 height=140></a><br><br><a href="#" target=_blank><img src=ad/ad4.gif border=0 width=100 height=140></a>';
//右边
var right_img='<a href=# target=_blank><img src=ad/ad2.gif border=0 width=100 height=140></a><br><br><a href="#" target=_blank><img src=ad/ad3.gif border=0 width=100 height=140></a>';
//var right_img='<EMBED src=http://images.chinaz.com/index_images/mobofm.swf quality=high WIDTH=80 HEIGHT=170 TYPE="application/x-shockwave-flash"></EMBED>';
var delta=0.05
var collection;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write('<DIV id='+id+' style="Z-INDEX: 10; POSITION: absolute; width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+'</DIV>');
var newItem = {};
newItem.object = document.getElementById(id);
newItem.x = x;
newItem.y = y;
this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval('play()',10);
}
}
function play()
{
for(var i=0;i<collection.length;i++)
{
var followObj = collection[i].object;
var followObj_x = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x);
var followObj_y = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y);
if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx));
followObj.style.left=followObj.offsetLeft+dx;
}
if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) {
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;
dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy));
followObj.style.top=followObj.offsetTop+dy;
}
followObj.style.display = '';
}
}
var theFloaters = new floaters();
theFloaters.addItem('followDiv1','document.body.clientWidth-110',50,''+right_img+'');
theFloaters.addItem('followDiv2',10,50,''+left_img+'');
theFloaters.play();
-->
</SCRIPT>
主要就是怎样实现红色的图片连接地址从数据库中调用