关于鼠标移动事件和图片放大效果的有关问题

关于鼠标移动事件和图片放大效果的问题
简单说下,我的目的:有若干图片,我想在鼠标划过的时候,在另一个地方显示其放大的图片,具体代码如下:
现在一个图片可以达到这样的效果,如果很多的图片怎么办?如果设变量的话,
在静态页面中,和动态页面中从数据库调用图片怎么设?请说具体点,谢谢!

或者不用我下面的代码,还有什么方法?

<script   language= "JavaScript ">
<!--
function   MM_showHideLayers()   {   //v3.0
    var   i,p,v,obj,args=MM_showHideLayers.arguments;
    for   (i=0;   i <(args.length-2);   i+=3)   if   ((obj=MM_findObj(args[i]))!=null)   {   v=args[i+2];
        if   (obj.style)   {   obj=obj.style;   v=(v== 'show ')? 'visible ':(v= 'hide ')? 'hidden ':v;   }
        obj.visibility=v;   }
}

function   MM_findObj(n,   d)   {   //v4.01
    var   p,i,x;     if(!d)   d=document;   if((p=n.indexOf( "? "))> 0&&parent.frames.length)   {
        d=parent.frames[n.substring(p+1)].document;   n=n.substring(0,p);}
    if(!(x=d[n])&&d.all)   x=d.all[n];   for   (i=0;!x&&i <d.forms.length;i++)   x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i <d.layers.length;i++)   x=MM_findObj(n,d.layers[i].document);
    if(!x   &&   d.getElementById)   x=d.getElementById(n);   return   x;
}
//-->
</script>
<a   href= " "   onClick= "return   false "> <img   name= "small "   border= "0 "   src= "image312/NO.HJD32001-2.jpg "   width= "90 "   height= "133 "   onMouseOver= "MM_showHideLayers( 'layer2 ', ' ', 'show ');MM_showHideLayers( 'layer ', ' ', 'hide ');MM_showHideLayers( 'layer1 ', ' ', 'hide '); "> </a>  
<div   id= "layer2 "   style= "position:   absolute;   left:   -120px;   top:   165px;   width:   765;   height:   202;   z-index:   1;   visibility:   hidden ">
    <table   border= "0 "   width= "761 "   height= "216 "   cellspacing= "0 "   cellpadding= "0 ">
        <tr   bordercolor= "#FFFFFF ">  
            <td   width= "624 "   valign= "top "   align= "left ">      
             
                        <table   border= "0 "   width= "122% "   height= "181 "   cellspacing= "0 "   cellpadding= "0 ">
                            <tr>  
                                <td   width= "100% "   height= "151 "   align= "center "> <a   href= " "   onclick= "return   false "   > <img   name= "big "   src= "image312/NO.HJD32001-2.jpg "   onclick= "MM_showHideLayers( 'layer2 ', ' ', 'hide ');MM_showHideLayers( 'layer ', ' ', 'show ');MM_showHideLayers( 'layer1 ', ' ', 'show ');return   false; "   border= "0 "   width= "137 "   height= "180 "> </a>