/*
     FILE ARCHIVED ON 22:24:29 Feb 18, 2007 AND RETRIEVED FROM THE
     INTERNET ARCHIVE ON 16:37:25 Oct 14, 2011.
     JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
var cart = GetCookie('cart');
var prices = new Array(512);
var quantities = new Array(512);
var currency = new Array(512);
var curcount = 0;

var basket_full_pict = '/images/basket_f.gif';
var basket_empty_pict = '/images/basket_e.gif';

var largeExpDate = new Date();
largeExpDate.setTime(largeExpDate.getTime() + (24 * 3600 * 1000));

if (cart == null) { 
    cart = '';
    SetCookie('cart', cart, largeExpDate, '/');
}


function basket_full() 
{ 
	if(document.all){
		basket_pict.src=basket_full_pict;
	}else{
		document.basket_pict.src=basket_full_pict; 
	}
} 

function basket_empty() 
{ 
	if(document.all){
		basket_pict.src=basket_empty_pict;
	}else{
		document.basket_pict.src=basket_empty_pict; 
	}

}

function basket_test()
{
	if(cart.length > 0) basket_full();
	else basket_empty();
}

function DelGood(good)
{
    var i = cart.indexOf('/'+good+'_');
    if(i == -1) return;
    var b = cart.indexOf('/', i+1);
    var s1 = cart.substr(0, i);
    var s2 = cart.substr(b, cart.length);
    
	cart = s1 + ((b >= 0) ? s2 : '');
    SetCookie('cart', cart, largeExpDate, '/');
	if(cart.length ==0 ) basket_empty();
}

function SetGood(good, count)
{
	DelGood(good);
    if(count <= 0) return;
    cart += '/' + good + '_' + count;
    SetCookie('cart', cart, largeExpDate,'/');
}

function HaveGood(good)
{
	if(cart.indexOf('/' + good + '_') >= 0) {
		return true;
	} else {
		return false;
    }
}

function RevertGood(id)
{
    if(HaveGood(id)){
		DelGood(id);

	}else{
		SetGood(id, 1);
	}
	
	if(cart.length>0){
		basket_full();
	}else{
		basket_empty();
	}
}

function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1)
      endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

function SetCookie (name, value) {
	var is_nav=(document.layers)?true:false;
	var is_ie=(document.all)?true:false;

	if (is_ie) {
		var argv = SetCookie.arguments;
		var argc = SetCookie.arguments.length;
		var expires = (argc > 2) ? argv[2] : null;
		var path = (argc > 3) ? argv[3] : null;
		var secure = (argc > 5) ? argv[5] : false;
		document.cookie = name + '=' + escape (value)+'; expires='+expires.toGMTString() + '; path = /; domain=.'+document.domain+';';
	} else {
		var argv = SetCookie.arguments;
		var argc = SetCookie.arguments.length;
		var expires = (argc > 2) ? argv[2] : null;
		var path = (argc > 3) ? argv[3] : null;
		var secure = (argc > 5) ? argv[5] : false;
		document.cookie = name + "=" + escape (value) + "; expires="+ largeExpDate +
			"; path=/"; //;domain=."+document.domain+";" +	((secure == true) ? "; secure" : "");
       }
}

function RevertCartGood(item)
{
	var form = document.forms["shopcart"];
	var good = parseInt( form.elements["id_" + item].value );
	var qty = 0;


    if(HaveGood( good )) {
		DelGood(good);
    } else {
		SetGood(good, 1);
		qty = 1;
    }
	
	form.elements["quantity_" + item].value = parseInt( qty );
	RecalcCartGood(item);
}

function RecalcCartGood(item)
{
    var form = document.forms["shopcart"];
    var quantity = form.elements["quantity_" + item].value;

	if(isNaN(quantity) || quantity <= 0) {
		DelGood(form.elements["id_" + item].value);
		form.elements["quantity_" + item].value = 0;
		form.elements["checked_" + item].checked = false;
    } else {
		SetGood(form.elements["id_" + item].value, quantity);
		form.elements["quantity_" + item].value = parseInt(quantity);
		form.elements["checked_" + item].checked = true;
    }
    RecalcTotalPrice( form.elements["currency_" + item].value );
	RecalcTotalCount();
}

function RecalcTotalCount()
{
	var form = document.forms["shopcart"];
	var total_goods = 0;

	for( var i = 0; i < form.elements.length; i++) {
		if( form.elements["quantity_" + i] ){
			total_goods += parseInt(form.elements["quantity_" + i].value);
		}
	}
	form.elements["goods_count"].value = total_goods;

	if(total_goods == 0) basket_empty();
	else basket_full();
}

function RecalcTotalPrice(currid)
{
    var i;
    var t = 0;
	var form = document.forms["shopcart"];
    for(i = 0; i < form.elements.length; i++) {
		if( form.elements["currency_" + i] && 
			(parseInt(form.elements["currency_" + i].value) == parseInt(currid))){
			var price = parseFloat( form.elements["price_" + i].value );
			
			var quantity = form.elements["quantity_" + i].value;
        	if(isNaN(quantity)){
			    t = -1;				
			    break;
			}
			t += parseFloat(quantity * price);
		}
    }
    form.elements["totalprice" + currid].value = parseFloat(t);
}