// $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;
}

function popitup(url,name,size) {
        newwindow=window.open(url,name,'width=550,height=500,resizable=1,status=1,menubar=1,scrollbars=1');
        if (window.focus) {newwindow.focus()}
        return false;
}      function TogglePageContent() {	if(document.getElementById('pagecontent').style.display == 'none')  {    	document.getElementById('pagecontent').style.display = 'inline';    	document.getElementById('toggText').innerHTML = 'Close &uarr;';  	}  	else {    	document.getElementById('pagecontent').style.display = 'none';    	document.getElementById('toggText').innerHTML = 'Read More ..';  	}}