// $Id: common.js,v 1.12.2.4 2006/06/02 13:54:18 max Exp $

//
// Enviroment identificator
//
var localIsDOM = document.getElementById?true:false;
var localIsJava = navigator.javaEnabled();
var localIsStrict = document.compatMode=='CSS1Compat';
var localPlatform = navigator.platform;
var localVersion = "0";
var localBrowser = "";
var localBFamily = "";
if (window.opera && localIsDOM) {
localBFamily = localBrowser = "Opera";
if (navigator.userAgent.search(/^.*Opera.([\d.]+).*$/) != -1)
localVersion = navigator.userAgent.replace(/^.*Opera.([\d.]+).*$/, "$1");
else if (window.print)
localVersion = "6";
else
localVersion = "5";
} else if (document.all && document.all.item)
localBFamily = localBrowser = 'MSIE';
if (navigator.appName=="Netscape") {
localBFamily = "NC";
if (!localIsDOM) {
localBrowser = 'Netscape';
localVersion = navigator.userAgent.replace(/^.*Mozilla.([\d.]+).*$/, "$1");
if(localVersion != '')
localVersion = "4";
} else if(navigator.userAgent.indexOf("Safari") >= 0)
localBrowser = 'Safari';
else if (navigator.userAgent.indexOf("Netscape") >= 0)
localBrowser = 'Netscape';
else if (navigator.userAgent.indexOf("Firefox") >= 0)
localBrowser = 'Firefox';
else 
localBrowser = 'Mozilla';
}
if (navigator.userAgent.indexOf("MSMSGS") >= 0)
localBrowser = "WMessenger";
else if (navigator.userAgent.indexOf("e2dk") >= 0)
localBrowser = "Edonkey";
else if (navigator.userAgent.indexOf("Gnutella") + navigator.userAgent.indexOf("Gnucleus") >= 0)
localBrowser = "Gnutella";
else if (navigator.userAgent.indexOf("KazaaClient") >= 0)
localBrowser = "Kazaa";
if (localVersion == '0' && localBrowser != '') {
var rg = new RegExp("^.*"+localBrowser+".([\\d.]+).*$");
localVersion = navigator.userAgent.replace(rg, "$1");
}
var localIsCookie = ((localBrowser == 'Netscape' && localVersion == '4')?(document.cookie != ''):navigator.cookieEnabled);
//
// Opener/Closer HTML block
//
function visibleBox(id,skipOpenClose) {
elm1 = document.getElementById("open"+id);
elm2 = document.getElementById("close"+id);
elm3 = document.getElementById("box"+id);
if(!elm3)
return false;
if (skipOpenClose) {
elm3.style.display = (elm3.style.display == "")?"none":"";
} else if(elm1) {
if (elm1.style.display == "") {
elm1.style.display = "none";
if(elm2)
elm2.style.display = "";
elm3.style.display = "none";
} else {
elm1.style.display = "";
if(elm2)
elm2.style.display = "none";
elm3.style.display = "";
}
}
}

/*
	URL encode
*/
function urlEncode(url) {
return url.replace(/\s/g, "+").replace(/&/, "&").replace(/"/, """)
}

/*
	Math.round() wrapper
*/
function round(n, p) {
if (isNaN(n))
n = parseFloat(n);
if (!p || isNaN(p))
return Math.round(n);
p = Math.pow(10, p);
return Math.round(n*p)/p;
}
/*
	Price format
*/
function price_format(price) {
if (number_format_point > 0) {
precision = number_format_point;
precision = Math.pow(10, precision);
price = Math.round(price*precision)/precision;
var top = Math.floor(price);
var bottom = Math.round((price-top)*precision)+precision;
} else {
var top = Math.round(price);
var bottom = 0;
}
top = top+"";
bottom = bottom+"";
var cnt = 0;
for (var x = top.length; x >= 0; x--) {
if (cnt % 3 == 0 && cnt > 0 && x > 0)
top = top.substr(0, x)+number_format_th+top.substr(x, top.length);
cnt++;
}
if (bottom > 0)
return top+number_format_dec+bottom.substr(1, bottom.length);
else
return top;
}
/*
	Substitute
*/
function substitute(lbl) {
var x, rg;
for(x = 1; x < arguments.length; x+=2) {
if(arguments[x] && arguments[x+1]) {
rg = new RegExp("\\{\\{"+arguments[x]+"\\}\\}", "gi");
lbl = lbl.replace(rg,  arguments[x+1]);
rg = new RegExp('~~'+arguments[x]+'~~', "gi");
lbl = lbl.replace(rg,  arguments[x+1]);
}
}
return lbl;
}
function getWindowWidth(w) {
if (!w)
w = window;
if (localBFamily == "MSIE")
return w.document.body.clientWidth;
else 
return w.innerWidth;
}
function getWindowHeight(w) {
if (!w)
w = window;
if (localBFamily == "MSIE")
return w.document.body.clientHeight;
else
return w.innerHeight;
}
function getDocumentHeight(w){
if (!w)
w = window;
if (localBFamily == "MSIE" || (localBFamily == "Opera" && localVersion >= 7 && localVersion < 8))
return isStrict ? w.document.documentElement.scrollHeight : w.document.body.scrollHeight;
if (localBFamily == "NC")
return w.document.height
if (localBFamily == "Opera")
return w.document.body.style.pixelHeight
}

/*
	Check list of checkboxes
*/
function checkMarks(form, reg, lbl) {
var is_exist = false;
if (form.elements.length == 0)
return true;
for (var x = 0; x < form.elements.length; x++) {
if (form.elements[x].name.search(reg) == 0 && form.elements[x].type == 'checkbox' && !form.elements[x].disabled) {
is_exist = true;
if (form.elements[x].checked)
return true;
}
}
if (!is_exist)
return true;
else if (lbl)
alert(lbl);
else if (lbl_no_items_have_been_selected)
alert(lbl_no_items_have_been_selected);
return false;
}
/*
	Submit form with specified value of 'mode' parmaeters
*/
function submitForm(formObj, formMode) {
if (!formObj)
return false;
if (formObj.tagName != "FORM") {
if (!formObj.form)
return false;
formObj = formObj.form;
}
if (formObj.mode)
formObj.mode.value = formMode;
formObj.submit();
}
/*
	Analogue of PHP function sleep()
*/
function sleep(msec) {
var then = new Date().getTime()+msec;
while (then >= new Date().getTime()){
}
}

/*
	Convert number from current format
	(according to 'Input and display format for floating comma numbers' option)
	to float number
*/
function convert_number(num) {
var regDec = new RegExp(reg_quote(number_format_dec), "gi");
var regTh = new RegExp(reg_quote(number_format_th), "gi");
var pow = Math.pow(10, parseInt(number_format_point));
num = parseFloat(num.replace(" ", "").replace(regTh, "").replace(regDec, "."));
return Math.round(num*pow)/pow;
}

/*
	Check string as number
	(according to 'Input and display format for floating comma numbers' option)
*/
function check_is_number(num) {
var regDec = new RegExp(reg_quote(number_format_dec), "gi");
var regTh = new RegExp(reg_quote(number_format_th), "gi");
num = num.replace(" ", "").replace(regTh, "").replace(regDec, ".");
return (num.search(/^[0-9]+(\.[0-9]+)?$/) != -1);
}

/*
	Qutation for RegExp class
*/
function reg_quote(s) {
return s.replace(/\./g, "\\.").replace(/\//g, "\\/").replace(/\*/g, "\\*").replace(/\+/g, "\\+").replace(/\[/g, "\\[").replace(/\]/g, "\\]");
}

function setCookie(name, value) {
var date = new Date();
date.setFullYear(date.getYear()+1);
document.cookie = name+"="+escape(value)+"; expires="+date.toGMTString();
}

function deleteCookie(name) {
document.cookie = name+"=0; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}

/*
	Clone object
*/
function cloneObject(orig) {
var r = {};
for (var i in orig) {
r[i] = orig[i];
}
return r;
}

/*
	Get first checkbox and redirect to URL
*/
function getFirstCB(form, reg) {
while (form.tagName && form.tagName.toUpperCase() != 'FORM')
form = form.parentNode;
if (!form.tagName || form.tagName.toUpperCase() != 'FORM' || form.elements.length == 0)
return false;
var selectedChk = false;
for (var x = 0; x < form.elements.length; x++) {
if (form.elements[x].name.search(reg) == 0 && form.elements[x].type == 'checkbox' && !form.elements[x].disabled && form.elements[x].checked) {
selectedChk = form.elements[x];
break;
}
}
if (!selectedChk) {
if (lbl_no_items_have_been_selected)
alert(lbl_no_items_have_been_selected);
return false;
}
return selectedChk;
}