<script>
N4 = GK = IE = obj = offsetX = offsetY = 0;
if (document.layers) N4 = 1;
else if (document.all) IE = 1;
else if (document.getElementById) GK = 1;
function init() {
if (N4) {
list = document.layers;
document.captureEvents(Event.MOUSEMOVE | Event.MOUSEUP);
}
else if (GK) list = document.getElementsByTagName("div");
else if (IE) list = document.all.tags("div");
for (i = 0; i < list.length; i ++) {
if (N4) list[i].captureEvents(Event.MOUSEDOWN);
list[i].onmousedown = down;
}
document.onmouseup = up;
document.onmousemove = move;
}
function down(e) {
obj = this;
if (N4) {
offsetX = e.layerX;
offsetY = e.layerY;
for (i in list) list[i].zIndex = 0;
obj.zIndex = 1;
}
else if (GK) {
offsetX = e.pageX - parseInt(obj.style.left);
offsetY = e.pageY - parseInt(obj.style.top);
}
else if (IE) {
offsetX = event.clientX + document.body.scrollLeft - this.style.posLeft
offsetY = event.clientY + document.body.scrollTop - this.style.posTop
}
if (! N4) {
for (i = 0; i < list.length; i ++)
list[i].style.zIndex = 0;
obj.style.zIndex = 1;
}
return false;
}
function move(e) {
if (obj) {
if (N4) obj.moveTo(e.pageX - offsetX,e.pageY - offsetY);
else if (GK) {
obj.style.left = e.pageX - offsetX;
obj.style.top = e.pageY - offsetY;
}
else if (IE) {
obj.style.left = event.clientX + document.body.scrollLeft - offsetX;
obj.style.top = event.clientY + document.body.scrollTop - offsetY;
}
return false;
}
}
function up(e) {
obj = null;
}
onload = init;
</script>
<!-- position:absolute を指定したdivで囲んだ物は幾つでも全て移動の対象になります -->
<div style="position:absolute; left:50px; top:70px; z-index:0;">
<img src="xxx.gif">
</div>
<div align=center style="width:150px; height:100px;
border:double 3px black; position:absolute; left:250px; top:70px; z-index:0;">
<table height=100%><td>
この文章と<br>左右の画像は<br>マウスで<br>移動できます
</td></table>
</div>
<div style="position:absolute; left:450px; top:70px; z-index:0;">
<img src="yyy.gif">
</div>
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