跟随鼠标的图片 – 筚路蓝缕

&lt;head&gt;
&lt;script type="text/javascript"&gt;
//IE专用
var newtop = 0
var newleft = 0
if (navigator.appName == "Netscape") {
    layerStyleRef = "layer.";
    layerRef = "document.layers";
    styleSwitch = "";
} else {
    layerStyleRef = "layer.style.";
    layerRef = "document.all";
    styleSwitch = ".style";
}

function doMouseMove() {
    layerName = 'iit';
    eval('var curElement=' + layerRef + '["' + layerName + '"]');
    eval(layerRef + '["' + layerName + '"]' + styleSwitch + '.visibility="hidden"');
    eval('curElement' + styleSwitch + '.visibility="visible"');
    eval('newleft=document.body.clientWidth-curElement' + styleSwitch + '.pixelWidth');
    eval('newtop=document.body.clientHeight-curElement' + styleSwitch + '.pixelHeight');
    eval('height=curElement' + styleSwitch + '.height');
    eval('width=curElement' + styleSwitch + '.width');
    width = parseInt(width);
    height = parseInt(height);
    if (event.clientX &gt; (document.body.clientWidth - 5 - width)) {
        newleft = document.body.clientWidth + document.body.scrollLeft - 5 - width
    } else {
        newleft = document.body.scrollLeft + event.clientX
    }
    eval('curElement' + styleSwitch + '.pixelLeft=newleft');
    if (event.clientY &gt; (document.body.clientHeight - 5 - height)) {
        newtop = document.body.clientHeight + document.body.scrollTop - 5 - height;
    } else {
        newtop = document.body.scrollTop + event.clientY;
    }
    eval('curElement' + styleSwitch + '.pixelTop=newtop');
}
document.onmousemove = doMouseMove;
&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;script type="text/javascript"&gt;
if (navigator.appName == "Netscape") {} 
else {
    document.write('&lt;div ID=OuterDiv&gt;');
    document.write('&lt;img ID=iit src="smile.gif" STYLE="position:absolute;TOP:5pt;LEFT:5pt;Z-INDEX:10;visibility:hidden;"&gt;');
    document.write('&lt;/div &gt; ');
}
&lt;/script&gt;
&lt;/body&gt;

<head>

//IE专用

var newtop = 0

var newleft = 0

if (navigator.appName == "Netscape") {

layerStyleRef = "layer.";

layerRef = "document.layers";

styleSwitch = "";

} else {

layerStyleRef = "layer.style.";

layerRef = "document.all";

styleSwitch = ".style";

}

function doMouseMove() {

layerName = 'iit';

eval('var curElement=' + layerRef + '["' + layerName + '"]');

eval(layerRef + '["' + layerName + '"]' + styleSwitch + '.visibility="hidden"');

eval('curElement' + styleSwitch + '.visibility="visible"');

eval('newleft=document.body.clientWidth-curElement' + styleSwitch + '.pixelWidth');

eval('newtop=document.body.clientHeight-curElement' + styleSwitch + '.pixelHeight');

eval('height=curElement' + styleSwitch + '.height');

eval('width=curElement' + styleSwitch + '.width');

width = parseInt(width);

height = parseInt(height);

if (event.clientX > (document.body.clientWidth - 5 - width)) {

newleft = document.body.clientWidth + document.body.scrollLeft - 5 - width

} else {

newleft = document.body.scrollLeft + event.clientX

}

eval('curElement' + styleSwitch + '.pixelLeft=newleft');

if (event.clientY > (document.body.clientHeight - 5 - height)) {

newtop = document.body.clientHeight + document.body.scrollTop - 5 - height;

} else {

newtop = document.body.scrollTop + event.clientY;

}

eval('curElement' + styleSwitch + '.pixelTop=newtop');

}

document.onmousemove = doMouseMove;

</script>

</head>

<body>

if (navigator.appName == "Netscape") {}

else {

document.write('<div ID=OuterDiv>');

document.write('<img ID=iit src="smile.gif" STYLE="position:absolute;TOP:5pt;LEFT:5pt;Z-INDEX:10;visibility:hidden;">');

document.write('</div > ');

}

</script>

</body>

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