JS调用颜色对话框改变字颜色

<script language="javascript">
var sInitColor = null;
function callColorDlg(){
	if (sInitColor == null) {
			var sColor = dlgHelper.ChooseColorDlg();
	}else{
			var sColor = dlgHelper.ChooseColorDlg(sInitColor);
	}
	sColor = sColor.toString(16);
	if (sColor.length < 6) {
	  var sTempString = "000000".substring(0,6-sColor.length);
	  sColor = sTempString.concat(sColor);
	}
	sColor = "#" + sColor
	document.getElementById("font").style.color=sColor;//颜色应用
}
</script>
<span id="font">huerreson in 51js now</span><br/>www.mzwu.com<br/>          
<input ID="ofntColor" onclick="callColorDlg()" type=button value="请选择颜色">
<OBJECT id="dlgHelper" CLASSID="clsid:3050f819-98b5-11cf-bb82-00aa00bdce0b" width="0px" height="0px"></OBJECT>