// JScript 文件


Boolean.prototype.typeName="boolean";
Number.prototype.typeName="number";
Object.prototype.typeName="object";
String.prototype.typeName="string";
Array.prototype.typeName="array";
Date.prototype.typeName="date";

Array.prototype.contains = function(obj)
{
	for(var i=0;i<this.length;i++)
		if(this[i]==obj) return true;
	return false;
};

String.prototype.trim = function()
{
    // Use a regular expression to replace leading and trailing 
    // spaces with the empty string
    return this.replace(/(^\s*)|(\s*$)/g, "");
};

String.prototype.getLength = function()
{
	return this.replace(/[\u0080-\u07FF]/g,"**").replace(/[\u0800-\uFFFF]/g,"***").replace(/[^\u0000-\uFFFF]/g,"****").length;
}

String.prototype.isEmpty = function()
{
	return (this.trim()==""||this==null);
}