// $Id: common.js,v 1.12.2.14 2007/04/23 10:26:24 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 = "";

var isHttps = false;

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);



if (document.location.protocol == "https:") { 

    isHttps = true;

}



function change_antibot_image(id) {

	var image = document.getElementById(id);

	image.src = "temp";

	setTimeout('', 1000);

	image.src = xcart_web_dir+"/antibot_image.php?"+Math.random()+"&section="+id+"&regenerate=Y";

}





/*

	Find element by classname

*/

function getElementsByClassName( clsName ) {

	var arr = new Array(); 

	var elems = document.getElementsByTagName("*");

	

	for ( var cls, i = 0; ( elem = elems[i] ); i++ ) {

		if ( elem.className == clsName ) {

			arr[arr.length] = elem;

		}

	}

	return arr;

}

//

// 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";

			var class_objs = getElementsByClassName('DialogBox');

			for (var i = 0; i < class_objs.length; i++) {

				class_objs[i].style.height = "1%";

			}

		} else {

			elm1.style.display = "";

			if(elm2)

				elm2.style.display = "none";

			elm3.style.display = "";

		}

	}

}



/*

	URL encode

*/

function urlEncode(url) {

	return url.replace(/\s/g, "+").replace(/&/, "&amp;").replace(/"/, "&quot;")

}



/*

	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, thousand_delim, decimal_delim, precision) {

	var thousand_delim = (arguments.length > 1 && thousand_delim !== false) ? thousand_delim : number_format_th;

	var decimal_delim = (arguments.length > 2 && decimal_delim !== false) ? decimal_delim : number_format_dec;

	var precision = (arguments.length > 3 && precision !== false) ? precision : number_format_point;



	if (precision > 0) {

		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)+thousand_delim+top.substr(x, top.length);



		cnt++;

	}



	return (bottom > 0) ? (top+decimal_delim+bottom.substr(1, bottom.length)) : 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 getWindowOutWidth(w) {

	if (!w)

		w = window;

	if (localBFamily == "MSIE")

		return w.document.body.clientWidth;

	else

		return w.outerWidth;

}



function getWindowOutHeight(w) {

	if (!w)

		w = window;

	if (localBFamily == "MSIE")

		return w.document.body.clientHeight;

	else

		return w.outerHeight;

}



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) {

	document.cookie = name+"="+escape(value);

}



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;

}



/*

	getElementById() wrapper

*/

function _getById(id) {

	if (typeof(id) != 'string' || !id)

		return false;



	var obj = document.getElementById(id);

	if (obj && obj.id != id) {

		obj = false;

		for (var i = 0; i < document.all.length && obj === false; i++) {

			if (document.all[i].id == id)

				obj = document.all[i];

		}

	}



	return obj;

}



// undefined or not

function isset(obj) {

	return typeof(obj) != 'undefined';

}





// Check - variable is function or not

function isFunction(f) {

	return (typeof(f) == 'function' || (typeof(f) == 'object' && (f+"").search(/\s*function /) === 0));

}