// $Id: common.js,v 1.12.2.27 2008/12/05 13:36:41 ferz 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;

function addOnLoad (newOnLoad) {
    var oldOnLoad = window.onload;
    if(typeof oldOnLoad == 'function') {
        window.onload = function () {
            if(oldOnLoad)
                oldOnLoad()
            newOnLoad();
        }
    }
    else {
        window.onload = newOnLoad;
    }
}

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);
	if (image)
		image.src = xcart_web_dir+"/antibot_image.php?tmp="+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
}

function getDocumentWidth(w) {
	if (!w)
		w = window;
	if (localBFamily == "MSIE" || (localBFamily == "Opera" && localVersion >= 7 && localVersion < 8))
		return isStrict ? w.document.documentElement.scrollWidth : w.document.body.scrollWidth;
	if (localBFamily == "NC")
		return w.document.width;
	if (localBFamily == "Opera")
		return w.document.body.style.pixelWidth;
}

function expandWindowX(w, step, limit) {
	if (!w)
		w = window;

	if (!step)
		step = 10;

	var go = true;
	var i = 200;
	while (go && i--) {
		if (limit && getWindowOutWidth()+step > limit)
			break;

		try {
			w.scrollTo(step, 0);
			go = (w.document.documentElement && w.document.documentElement.scrollLeft > 0) || (w.document.body && w.document.body.scrollLeft > 0);
			if (go)
				w.resizeBy(step, 0);

		} catch (e) {
			return false;
		}
	}

	return true;
}

function expandWindowY(w, step, limit) {
	if (!w)
		w = window;

	if (!step)
		step = 10;

	var go = true;
	var i = 200;
	while (go && i--) {
		if (limit && getWindowOutHeight()+step > limit)
			 break;

		try {
			w.scrollTo(0, step);
			go = (w.document.documentElement && w.document.documentElement.scrollTop > 0) || (w.document.body && w.document.body.scrollTop > 0);
			if (go)
				w.resizeBy(0, step);

		} catch(e) {
			return false;
		}
	}

	return true;
}

/*
	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, path, expires) {
	if (typeof(expires) == 'object') {
		try {
			var days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
			var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
			if (days[expires.getDay()] && months[expires.getMonth()])
				expires = days[expires.getDay()]+" "+expires.getDate()+"-"+months[expires.getMonth()]+"-"+expires.getFullYear()+" "+expires.getHours()+":"+expires.getMinutes()+":"+expires.getSeconds()+" GMT";
		} catch(e) { }
	}

	if (typeof(expires) != 'string')
		expires = false;

	document.cookie = name+"="+escape(value)+(expires ? "; expires=" + expires : "")+(path ? "; path="+path : "");
}

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' && obj !== null;
}


// Check - variable is function or not
function isFunction(f) {
	return (typeof(f) == 'function' || (typeof(f) == 'object' && (f+"").search(/\s*function /) === 0));
}

// Get text length without \r
function getPureLength(text) {
    return (text && text.replace) ? text.replace(new RegExp("\r", "g"), '').length : -1;
}

// Ge text area selection limits
function getTASelection(t) {
	if (document.selection) {
		t.focus();
		var sel1 = document.selection.createRange();
		var sel2 = sel1.duplicate();
		sel2.moveToElementText(t);
		var selText = sel1.text;
		var c = String.fromCharCode(1);
		sel1.text = c;
		var index = sel2.text.indexOf(c);
		t.selectionStart = getPureLength((index == -1) ? sel2.text : sel2.text.substring(0, index));
		t.selectionEnd = getPureLength(selText) + t.selectionStart;
		sel1.moveStart('character', -1);
		sel1.text = selText;
    }

	return [t.selectionStart, t.selectionEnd];
}

// Insert string to text area to current position
function insert2TA(t, str) {
	var pos = getTASelection(t);
	var p;
    if (!isNaN(pos[0])) {
        t.value = t.value.substr(0, pos[0]) + str + t.value.substr(pos[0]);
		p = pos[0];

    } else {
		p = getPureLength(t.value);
		t.value += str;
	}

	setTACursorPos(t, p);

	return p;
}

// Set cursor pointer to specified postion for text area
function setTACursorPos(t, begin, end) {
	if (!t || !t.tagName || t.tagName.toUpperCase() != 'TEXTAREA')
		return false;

	if (isNaN(begin)) {
		begin = 0;

	} else if (getPureLength(t.value) < begin) {
		begin = getPureLength(t.value);
		end = begin;
	}

	if (isNaN(end))
		end = begin;

	if (document.selection) {
		var sel = t.createTextRange();
		sel.collapse(true);
		sel.moveStart('character', begin);
		sel.moveEnd('character', end - begin);
		sel.select();

	} else if (!isNaN(t.selectionStart)) {
		t.selectionStart = begin;
		t.selectionEnd = end;
	}

	if (t.focus)
	    t.focus();

	return true;
}

function popwindow(context,wwidth,wheight,wscrollbar,wname){
    var v_settings='scrollbars=' + wscrollbar + 'location=0,status=no,resizable=no,width=' + wwidth + ',height=' + wheight + ', left=100,top=100';
    var newwindow = window.open(context, wname, v_settings);
    newwindow.focus();
}

function $ (id) {
    return document.getElementById(id);
}

function changePTab(el) {
    var stf = document.getElementById('send_to_friend_content');
    var pi = document.getElementById('product_info_content');
    var qmf = document.getElementById('quote_me_fast_content');
    var cmb = document.getElementById('call_me_back_content');
    switch(el.id) {
        case 'send_to_friend': stf.style.display = '';
                               pi.style.display = qmf.style.display = cmb.style.display='none';
                               $('send_to_friend_curr').style.display = '';
                               $('product_info_curr').style.display = $('request_quote_curr').style.display = $('call_me_back_curr').style.display = 'none';

            break;
        case 'product_info': stf.style.display = qmf.style.display = cmb.style.display = 'none';
                               pi.style.display='';
                            $('product_info_curr').style.display = '';
                               $('send_to_friend_curr').style.display = $('request_quote_curr').style.display = $('call_me_back_curr').style.display = 'none';
            break;
        case 'quote_me_fast': stf.style.display = pi.style.display=cmb.style.display='none';
                               qmf.style.display='';
                                $('request_quote_curr').style.display = '';
                               $('product_info_curr').style.display = $('send_to_friend_curr').style.display = $('call_me_back_curr').style.display = 'none';
	    break;
	case 'call_me_back': stf.style.display = pi.style.display=qmf.style.display='none';
			       cmb.style.display='';
                               $('call_me_back_curr').style.display = '';
                               $('product_info_curr').style.display = $('request_quote_curr').style.display = $('send_to_friend_curr').style.display = 'none';
            break;
    }
}

function addBookmarkForBrowser() {
    title = document.title;
    url = document.location.href;

    if (window.sidebar) { // Mozilla Firefox Bookmark
        window.sidebar.addPanel(title, url,false);
    } else if( window.external ) { // IE Favorite
        window.external.AddFavorite( url, title);
    }
    else if(window.opera && window.print) { // Opera Hotlist
        return true;
    }
}

function setDefTab() {
    changePTab(document.getElementById(currPTab));
}

addOnLoad(searchText);

function searchText () {
    if(document.getElementById('head_search')) {
        var searchField = document.getElementById('head_search');
        if(searchField.value == '') {
            searchField.className = 'searchHint';
            searchField.value = 'Search here';
        }
        else if(searchField.value == 'Search here') {
            searchField.className = 'searchHint';
        }

        searchField.onblur = function() {
            if(searchField.value == '') {
                searchField.className = 'searchHint';
                searchField.value = 'Search here';
            }
        }

        searchField.onfocus = function() {
            if(searchField.value == 'Search here') {
                searchField.value = '';
                searchField.className = '';
            }
        }
    }
}

// http://dynamic-tools.net/toolbox/isMouseLeaveOrEnter/
function isMouseLeaveOrEnter(e, handler) { if (e.type != 'mouseout' && e.type != 'mouseover') return false; var reltg = e.relatedTarget ? e.relatedTarget : e.type == 'mouseout' ? e.toElement : e.fromElement; while (reltg && reltg != handler) reltg = reltg.parentNode; return (reltg != handler); }


// remove remid from elemid
function removeElement(remid,elemId) {
	var elem = document.getElementById(elemId);
	var remElem = document.getElementById(remid);
	if(remElem) {
            elem.removeChild(remElem);
	}
}

function createElement(element) {
	if (typeof document.createElementNS != 'undefined') {
		return document.createElementNS('http://www.w3.org/1999/xhtml', element);
	}
	if (typeof document.createElement != 'undefined') {
		return document.createElement(element);
	}
	return false;
}

function innerTxt(el,content) {
	if (document.getElementById && !document.all) {
		rng = document.createRange();
		rng.setStartBefore(el);
		htmlFrag = rng.createContextualFragment(content);
		while (el.hasChildNodes())
			el.removeChild(el.lastChild);
		el.appendChild(htmlFrag);
	}
	else {
		el.innerHTML = content;
	}
}

function createImage(image,alt) {
	var img = createElement('img');
	img.src=image;
	img.alt = alt;
	return img;
}

function showHideEl(elem) {
    if(document.getElementById(elem).style.display=='block')
        document.getElementById(elem).style.display='none';
    else
        document.getElementById(elem).style.display='block';
}

function elemPos(elem) {
	var curleft = curtop = 0;
	if (elem.offsetParent) {
		curleft = elem.offsetLeft;
		curtop = elem.offsetTop;
		while (elem = elem.offsetParent) {
			curleft += elem.offsetLeft;
			curtop += elem.offsetTop;
		}
	}
	return [curleft,curtop];
}

function categoryGo(sel) {
    if(sel.options[sel.selectedIndex].value != 0)
      window.location = sel.options[sel.selectedIndex].value;
}

function toggleOther(sel) {
    if(sel.options[sel.selectedIndex].value == 1)
        document.getElementById('call_me_other').style.display = '';
    else
        document.getElementById('call_me_other').style.display = 'none';
}

function checkEmail(email) {
    	var AtPos = email.indexOf("@");
	var StopPos = email.lastIndexOf(".");
	var Message = "";
	if (email == "") {
		Message = "EMail address empty" + "\n";
	}
	else if (AtPos == -1 || StopPos == -1) {
		Message = "EMail address not valid";
	}
	else if (StopPos < AtPos) {
		Message = "EMail address not valid";
	}
	else if (StopPos - AtPos == 1) {
		Message = "EMail address not valid";
	}

	return Message;
}

String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}

function qcstep2(theForm) {
    var emailRes = checkEmail(theForm.qcemail.value);
    if(emailRes != '')
        alert(emailRes);
    else if(theForm.qcname.value.trim == '')
        alert('Name is empty');
    else if(theForm.qccomments.value.trim == '')
        alert('Message is empty');
    else {
        document.getElementById('qcstep1').style.display = 'none';
        document.getElementById('qcstep2').style.display = '';
    }
}