// - main menu - 

var onmenu;
var onmnuhelp;

var ns4 = (document.layers)? true:false
var ie4 = (document.all)? true:false
function init()
{
	if (ns4) {document.captureEvents(Event.MOUSEMOVE);}
	document.onmousemove=mousemove;
}

function mousemove(e) {
	var swidth = document.body.clientWidth;
	menu_left=((parseInt(swidth) - 799)/2) + 202
	if (ie4) {var mouseX=event.x; var mouseY=event.y}
	else {var mouseX=e.pageX; var mouseY=e.pageY}
	
	if((mouseX < menu_left || mouseX > menu_left+215 || mouseY < 310 || mouseY > 485) && onmenu && !onmnuhelp)
	{
		if(document.getElementById('submenu').style.display = 'block')
		hidesubmenu();
	}
}

function showimg (url)
{
	window.open("showimg.php?img=" + url,"Image","width=525, height=560, status=no, menubar=no, location=no");
}

mnu_home_on      = new Image()
mnu_home_off     = new Image()
mnu_home_on.src  = 'img/menu/home_s.gif'
mnu_home_off.src = 'img/menu/home.gif'

mnu_news_on      = new Image()
mnu_news_off     = new Image()
mnu_news_on.src  = 'img/menu/news_s.gif'
mnu_news_off.src = 'img/menu/news.gif'

mnu_products_on      = new Image()
mnu_products_off     = new Image()
mnu_products_on.src  = 'img/menu/products_s.gif'
mnu_products_off.src = 'img/menu/products.gif'

mnu_help_on      = new Image()
mnu_help_off     = new Image()
mnu_help_on.src  = 'img/menu/help_s.gif'
mnu_help_off.src = 'img/menu/help.gif'

mnu_awards_on      = new Image()
mnu_awards_off     = new Image()
mnu_awards_on.src  = 'img/menu/awards_s.gif'
mnu_awards_off.src = 'img/menu/awards.gif'

mnu_compet_on      = new Image()
mnu_compet_off     = new Image()
mnu_compet_on.src  = 'img/menu/compet_s.gif'
mnu_compet_off.src = 'img/menu/compet.gif'

mnu_buy_on      = new Image()
mnu_buy_off     = new Image()
mnu_buy_on.src  = 'img/menu/buy_s.gif'
mnu_buy_off.src = 'img/menu/buy.gif'

// - submenu -

mnu_assistance_on      = new Image()
mnu_assistance_off     = new Image()
mnu_assistance_on.src  = 'img/menu/tech_mustek_assistance_s.gif'
mnu_assistance_off.src = 'img/menu/tech_mustek_assistance.gif'

mnu_drivers_on      = new Image()
mnu_drivers_off     = new Image()
mnu_drivers_on.src  = 'img/menu/tech_mustek_drivers_s.gif'
mnu_drivers_off.src = 'img/menu/tech_mustek_drivers.gif'

mnu_dictionary_on      = new Image()
mnu_dictionary_off     = new Image()
mnu_dictionary_on.src  = 'img/menu/tech_mustek_dictionary_s.gif'
mnu_dictionary_off.src = 'img/menu/tech_mustek_dictionary.gif'

mnu_faq_on      = new Image()
mnu_faq_off     = new Image()
mnu_faq_on.src  = 'img/menu/tech_mustek_faq_s.gif'
mnu_faq_off.src = 'img/menu/tech_mustek_faq.gif'

mnu_scanning_on      = new Image()
mnu_scanning_off     = new Image()
mnu_scanning_on.src  = 'img/menu/tech_mustek_scanning_s.gif'
mnu_scanning_off.src = 'img/menu/tech_mustek_scanning.gif'

mnu_advices_on      = new Image()
mnu_advices_off     = new Image()
mnu_advices_on.src  = 'img/menu/tech_mustek_advices_s.gif'
mnu_advices_off.src = 'img/menu/tech_mustek_advices.gif'

// - categories -


mnu_SCA_on      = new Image()
mnu_SCA_off     = new Image()
mnu_SCA_on.src  = 'img/categories/skanery_s.gif'
mnu_SCA_off.src = 'img/categories/skanery.gif'

mnu_DVD_on      = new Image()
mnu_DVD_off     = new Image()
mnu_DVD_on.src  = 'img/categories/dvd_s.gif'
mnu_DVD_off.src = 'img/categories/dvd.gif'

mnu_CAM_on      = new Image()
mnu_CAM_off     = new Image()
mnu_CAM_on.src  = 'img/categories/kamery_s.gif'
mnu_CAM_off.src = 'img/categories/kamery.gif'

mnu_PHO_on      = new Image()
mnu_PHO_off     = new Image()
mnu_PHO_on.src  = 'img/categories/aparaty_s.gif'
mnu_PHO_off.src = 'img/categories/aparaty.gif'

mnu_UPS_on      = new Image()
mnu_UPS_off     = new Image()
mnu_UPS_on.src  = 'img/categories/ups_s.gif'
mnu_UPS_off.src = 'img/categories/ups.gif'

mnu_RAM_on      = new Image()
mnu_RAM_off     = new Image()
mnu_RAM_on.src  = 'img/categories/skanery_s.gif'
mnu_RAM_off.src = 'img/categories/skanery.gif'


// --

function imgact(imgName){
	imgOn = eval(imgName + "_on.src");
	document[imgName].src = imgOn;
}

function imgnoact(imgName){
	imgOff = eval(imgName + "_off.src");
	document[imgName].src = imgOff;
} 

function showsubmenu()
{
	var submenu=document.getElementById("submenu");
	var img=document.getElementById("mnu_compet");
	var swidth = document.body.clientWidth;
	
	if(submenu.style.display!='block')
	{
		submenu.style.left=((parseInt(swidth) - 799)/2) + 202 + "px";
		submenu.style.display='block';
	}
}

function hidesubmenu()
{
	var submenu=document.getElementById("submenu");
	submenu.style.display='none';
	if(document['mnu_help'].src != mnu_help_off.src)
	document['mnu_help'].src = mnu_help_off.src;
	onmenu = false;
}

function onhelpf(v)
{
	onmnuhelp=v;
}

addEvent(window, "load", sortables_init);
addEvent(window, "load", slide_init);

// slide start
function slide_init() {
	if (document.getElementById("slide_wide")) document.getElementById("slide_wide").style.width=getElementWidth("slide_content")+"px";
}
function getElementWidth(Elem) {
	if (document.layers) { //ns4
		var elem = getObjNN4(document, Elem);
		return elem.clip.width;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		xPos = elem.offsetWidth;
		return xPos;
	}
}
//---------------------------------

var SORT_ROW_INDEX;

function sortables_init() {
    // Find all tables with class sortable and make them sortable
    if (!document.getElementsByTagName) return;
    tbls = document.getElementsByTagName("table");
    for (ti=0;ti<tbls.length;ti++) {
        thisTbl = tbls[ti];
        if (((' '+thisTbl.className+' ').indexOf("sortable") != -1) && (thisTbl.id)) {
            //initTable(thisTbl.id);
            ts_makeSortable(thisTbl);
        }
    }
}

function ts_makeSortable(table) {
	if (table.rows && table.rows.length > 0) {
		for (var i=0;i<table.rows.length;i++) {
        var cell = table.rows[i].cells[0];
        var txt = ts_getInnerText(cell);
        cell.innerHTML = '<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;">'+txt+'<span class="sortarrow">&nbsp;&nbsp;&nbsp;</span></a>';
		}
	}
}

function ts_getInnerText(el) {
	if (typeof el == "string") return el;
	if (typeof el == "undefined") { return el };
	if (el.innerText) return el.innerText;	//Not needed but it is faster
	var str = "";
	
	var cs = el.childNodes;
	var l = cs.length;
	for (var i = 0; i < l; i++) {
		switch (cs[i].nodeType) {
			case 1: //ELEMENT_NODE
				str += ts_getInnerText(cs[i]);
				break;
			case 3:	//TEXT_NODE
				str += cs[i].nodeValue;
				break;
		}
	}
	return str;
}

function ts_resortTable(lnk) {
    // get the span
    var span;
    for (var ci=0;ci<lnk.childNodes.length;ci++) {
        if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];
    }
    var spantext = ts_getInnerText(span);
    var td = lnk.parentNode;
    var tr = getParent(td,'TR');
	 var row = tr.rowIndex;
    var table = getParent(td,'TABLE');
    
    // Work out a type for the column
    if (table.rows.length <= 1) return;
    var itm = ts_getInnerText(table.rows[row].cells[1]);
    sortfn = ts_sort_caseinsensitive;

    if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d\d\d$/)) sortfn = ts_sort_date;
    if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/)) sortfn = ts_sort_date;
    if (itm.match(/^[£$]/)) sortfn = ts_sort_currency;
    if (itm.match(/^[£$]/)) sortfn = ts_sort_currency;
    if (itm.match(/^[\d\.]+/)) sortfn = ts_sort_numeric;

    SORT_ROW_INDEX = row;

    var firstColumn = new Array();
    var newColumns = new Array();

    for (i=0;i<table.rows.length;i++) { firstColumn[i] = table.rows[i].cells[0]; }

    for (j=1;j<table.rows[0].cells.length;j++) {
		newColumns[j-1] = new Array();
		for (i=0;i<table.rows.length;i++) { newColumns[j-1][i] = table.rows[i].cells[j].innerHTML; }
	 }

    newColumns.sort(sortfn);

    if (span.getAttribute("sortdir") == 'down') {
        ARROW = '&nbsp;&larr;';
        newColumns.reverse();
        span.setAttribute('sortdir','up');
    } else {
        ARROW = '&nbsp;&rarr;';
        span.setAttribute('sortdir','down');
    }
    

    for (j=1;j<table.rows[0].cells.length;j++)
	 for (i=0;i<table.rows.length;i++) {
		table.rows[i].cells[j].innerHTML = newColumns[j-1][i];
	 }


    
    // Delete any other arrows there may be showing
    var allspans = document.getElementsByTagName("span");
    for (var ci=0;ci<allspans.length;ci++) {
        if (allspans[ci].className == 'sortarrow') {
            if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
                allspans[ci].innerHTML = '&nbsp;&nbsp;&nbsp;';
            }
        }
    }
        
    span.innerHTML = ARROW;
}

function getParent(el, pTagName) {
	if (el == null) return null;
	else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())	// Gecko bug, supposed to be uppercase
		return el;
	else
		return getParent(el.parentNode, pTagName);
}

function ts_sort_currency(a,b) { 
    aa = ts_getInnerText(a[SORT_ROW_INDEX]).replace(/[^0-9.]/g,'');
    bb = ts_getInnerText(b[SORT_ROW_INDEX]).replace(/[^0-9.]/g,'');
    return parseFloat(aa) - parseFloat(bb);
}

function ts_sort_numeric(a,b) { 
    aa = parseFloat(ts_getInnerText(a[SORT_ROW_INDEX]));
    if (isNaN(aa)) aa = 0;
    bb = parseFloat(ts_getInnerText(b[SORT_ROW_INDEX])); 
    if (isNaN(bb)) bb = 0;
    return aa-bb;
}

function ts_sort_caseinsensitive(a,b) {
    aa = ts_getInnerText(a[SORT_ROW_INDEX]).toLowerCase();
    bb = ts_getInnerText(b[SORT_ROW_INDEX]).toLowerCase();
    if (aa==bb) return 0;
    if (aa<bb) return -1;
    return 1;
}

function ts_sort_default(a,b) {
    aa = ts_getInnerText(a[SORT_ROW_INDEX]);
    bb = ts_getInnerText(b[SORT_ROW_INDEX]);
    if (aa==bb) return 0;
    if (aa<bb) return -1;
    return 1;
}


function addEvent(elm, evType, fn, useCapture)
// addEvent and removeEvent
// cross-browser event handling for IE5+,  NS6 and Mozilla
// By Scott Andrew
{
  if (elm.addEventListener){
    elm.addEventListener(evType, fn, useCapture);
    return true;
  } else if (elm.attachEvent){
    var r = elm.attachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be removed");
  }
}