var NS4;
var IE4;
if (document.all)
{
    IE4 = true;
    NS4 = false;
}
else
{
    IE4 = false;
    NS4 = true;
}
var isWin = (navigator.appVersion.indexOf("Win") != -1)

var agent = navigator.userAgent.toLowerCase();
var isIE = (agent.indexOf("msie") != -1) && (agent.indexOf("opera") == -1) && (agent.indexOf("webtv") == -1);


function open_window(url, name, width, height, feature)
{
    var oWnd;

    if (IE4 && width < window.screen.width && height < window.screen.height) 
    {
        var windowX = Math.ceil( (window.screen.width  - width) / 2 );
        var windowY = Math.ceil( (window.screen.height - height) / 2 );

        oWnd = window.open(url, name, feature+",width=" + width +",height=" + height+",left="+windowX+",top="+windowY + ",resizable=yes");
    }
    else 
    {
        oWnd = window.open(url, name, feature+",width=" + width +",height=" + height + ",resizable=yes");
    }

    return oWnd;
}
function open_wnd(url, name, width, height)
{
    var oWnd = open_window(url, name, width, height, "toolbar=0,menubar=0,resizable=yes,scrollbars=no");
    return oWnd;
}
function pop(url,width,height,flag)
{
    if (flag == 1 )
        var oPop = open_window(url, "", width, height, "toolbar=0,menubar=0,scrollbars=yes,resizable=yes");    
    else
        var oPop = open_window(url, "", width, height, "toolbar=0,menubar=0,scrollbars=no,resizable=yes");    
    return oPop;        
}



var LOAD_LIST = new Array();
function LH_create()
{
    this.LIST = LOAD_LIST;
    this.add = LH_add;
    this.exec = LH_exec;
}
function LH_add(strExec)
{
    LOAD_LIST[LOAD_LIST.length] = strExec;
}
function LH_exec()
{
    var list_len = LOAD_LIST.length;
    for (var i = 0; i < list_len; i++)
    {
        eval(LOAD_LIST[i]);
    }
}

String.prototype.cut = function(len, tail) 
{
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) 
    {
        l += (str.charCodeAt(i) > 128) ? 2 : 1;
        if (l > len) return str.substring(0,i) + tail;
    }
    return str;
}
String.prototype.bytes = function() 
{
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) 
        l += (str.charCodeAt(i) > 128) ? 2 : 1;

    return l;
}
String.prototype.trim = function()
{
    return this.replace(/(^\s*)|(\s*$)/g, ""); 
}
function replaceBackslash(paramStr) 
{
    var str = paramStr;
    if (str.indexOf("\\") >= 0) str = str.replace(/\\/g, "\\\\");
    if (str.indexOf("\"") >= 0) str = str.replace(/\"/g, "\\\"");
    return str;
}

function setTop()
{
	window.scrollTo(0,0);
}

var frmMinWidth;
var frmMinHeight;
var applyMinSize = false;
var frmMaxWidth;
var frmMaxHeight;
var applyMaxSize = false;
function setMinSize(width, height)
{
    frmMinWidth = width;
    frmMinHeight = height
    applyMinSize = true;
}
function setMaxSize(width, height)
{
    frmMaxWidth = width;
    frmMaxHeight = height
    applyMaxSize = true;
}
function resizeIframe(name)
{
    if (name == null || name == "")
    {
        name = "cafe_main";
    }
        
    try
    {
        if (IE4)
            var oBody   = document.frames(name).document.body;
        else
            var oBody = document.getElementById(name).contentDocument.body;
 
		var oIFrame = document.getElementById(name);
        var frmWidth  = oBody.scrollWidth;
        var frmHeight = oBody.scrollHeight;

        if (applyMinSize)
        {
            frmWidth  = Math.max(frmWidth, frmMinWidth);
            frmHeight = Math.max(frmHeight, frmMinHeight);
        }
        if (applyMaxSize)
        {
            frmWidth  = Math.min(frmWidth, frmMaxWidth);
            frmHeight = Math.min(frmHeight, frmMaxHeight);
        }

	
        oIFrame.style.height = frmHeight;
        oIFrame.style.width = frmWidth;
    }
    catch (e) {}
}

function parentResizeIframe(name)
{
    if (parent && parent != this && parent.resizeIframe != null)
    {
        parent.resizeIframe(name);
    }
}

if (NS4) 
{
    document.captureEvents(Event.KEYDOWN)
    document.onkeydown = trapRefresh;
} 
else if (IE4) 
{
    document.onkeydown = trapRefresh;
}

function trapRefresh(e)
{
    var event;
    if (window.event) event = window.event;
    else event = e;

    if (event.keyCode == 116)
    {
        if (window.event) 
            event.keyCode = 0;
        event.cancelBubble = true; 
        event.returnValue = false;
        document.location.reload();
    }
}