/**
 * ÆĶó¹ÌÅÍ º¯¼ö »ç¿ë
 */
function PageQuery( q )
{
	if(q.length > 1) 
	{
		this.q = q.substring(1, q.length);
	}
	else
	{ 
		q = null;
	}
	
	this.keyValuePairs = new Array();
	
	if(q)
	{
		for(var i=0; i < this.q.split("&").length; i++)
			this.keyValuePairs[i] = this.q.split("&")[i];
	}
 
	this.getKeyValuePairs = function() 
	{
		return this.keyValuePairs;
	}
 
	this.getValue = function(s)
	{
		for(var j=0; j < this.keyValuePairs.length; j++)
		{
			if(this.keyValuePairs[j].split("=")[0] == s)
			{
				return this.keyValuePairs[j].split("=")[1];
			}
		}
		
		return "";
	}
 
	this.getParameters = function()
	{
		var a = new Array(this.getLength());
		for(var j=0; j < this.keyValuePairs.length; j++)
		{
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		return a;
	}
 
	this.getLength = function()
	{
		return this.keyValuePairs.length;
	}
}

function getMainWindow()
{
	return parent.parent.window;
}

function getMainDocument()
{
	return parent.parent.document;
}

/**
 * ÄíÅ°°ü·Ã
 */
function getCookie(name) 
{
	var cname = name + "=";
	var dc = document.cookie;
	if (dc.length > 0) 
	{
		begin = dc.indexOf(cname);
		
		if (begin != -1) 
		{
			begin += cname.length;       
			end = dc.indexOf(";", begin);
			if (end == -1) end = dc.length;
			return unescape(dc.substring(begin, end));
		} 
	}
	return null;
}

function setCookie(name, value) 
{
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var expires = (2 < argc) ? argv[2] : null;
	var path = (3 < argc) ? argv[3] : null;
	var domain = (4 < argc) ? argv[4] : null;
	var secure = (5 < argc) ? argv[5] : false;
	
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + expires );
		
	document.cookie = name + "=" + value +
		((expires == null) ? "" : ("; expires="+todayDate.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +
		((secure == true) ? "; secure" : "");
}

/**
 * °î¹éÁ¦°Å
 */
function trim(str) 
{ 
	var count = str.length; 
	var len = count;                 
	var st = 0; 
	while ((st < len) && (str.charAt(st) <= " "))  st++; 
	while ((st < len) && (str.charAt(len - 1) <= " ")) len--; 
	return ((st > 0) || (len < count)) ? str.substring(st, len) : str ;   
}