//判断一个对象是否为数组
function paramIsArray(v)
{
	try
	{
		var a = v[0];
		return typeof(a) != "undefined";
	}
	catch(e)
	{
		return false;
	}
}
//判断一个对象是否定义
function isDefined(obj)
{
	var objType = typeof(obj);
	return !(objType == "undefined" || objType == "unknown");
}
//判断一个类型是否定义
function isUndefined(objType)
{
	return (objType == "undefined" || objType == "unknown");
}
//设制属性
function setObjAttribute(obj, theKey, theValue)
{
	eval("obj." + theKey + "='" + theValue + "'");
}
//设制innerHTML
function setInnerHTML(oPart, innerHTML)
{
	oPart.innerHTML = innerHTML;
}