本文介绍了一种使用HTML和JavaScript实现的颜色选择功能。通过自定义的颜色选择对话框，用户可以选取颜色并即时预览效果。代码中利用了特定的插件来完成颜色的选择过程。
<OBJECT id=dlgHelper CLASSID="clsid:3050f819-98b5-11cf-bb82-00aa00bdce0b" width="0px" height="0px"></OBJECT>
<script>
var tempColor = "0099cc";
function returnColor(){
var Hcolor = dlgHelper.ChooseColorDlg(tempColor).toString(16);
with(event.srcElement){
value = ((Hcolor.length<6)?"000000".substring(0,6-Hcolor.length):"") + Hcolor;
style.backgroundColor = ((Hcolor.length<6)?"000000".substring(0,6-Hcolor.length):"") + Hcolor;
}
tempColor = Hcolor
}
</script>
<input type="text" value="#0099CC" size="12" onclick="returnColor()" style="background-color: #0099CC">
<script>
var tempColor = "0099cc";
function returnColor(){
var Hcolor = dlgHelper.ChooseColorDlg(tempColor).toString(16);
with(event.srcElement){
value = ((Hcolor.length<6)?"000000".substring(0,6-Hcolor.length):"") + Hcolor;
style.backgroundColor = ((Hcolor.length<6)?"000000".substring(0,6-Hcolor.length):"") + Hcolor;
}
tempColor = Hcolor
}
</script>
<input type="text" value="#0099CC" size="12" onclick="returnColor()" style="background-color: #0099CC">
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