// установка cookie
function setCookie(name, value, expire){
	document.cookie = name + "=" + escape(value) + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
}

// получения значения cookie
function getCookie(Name) {
	var search = Name + "=";

	if (document.cookie.length > 0) { // if there are any cookies
		offset = document.cookie.indexOf(search);
		if (offset != -1) { // if cookie exists
			offset += search.length;
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset);
			// set index of end of cookie value
			if (end == -1)
				end = document.cookie.length;
			return unescape(document.cookie.substring(offset, end));
		}
	}
}


// функция проверки наличия товара в корзине
function chkBasket(){
	var basket_cookie = getCookie("basket");

	if (basket_cookie == 1){
		document.getElementById("shop").style.display = "block";
	} else {
		document.getElementById("shop").style.display = "none";
	}
}

// функция добавления/удаления позиции в cookie	
function selectPos(id_pos){
	var today = new Date();
	var expires = new Date();
	var tid_cookie = getCookie("tid");
	var re = new RegExp(id_pos+",");

	if (re.exec(tid_cookie)){
		new_tid_cookie = tid_cookie.replace(re, "");
	} else {
		new_tid_cookie = tid_cookie;
		new_tid_cookie += escape(id_pos) + ",";
	}
	expires.setTime(today.getTime() + 60*60*24);
	setCookie("tid", new_tid_cookie, expires);
	if (new_tid_cookie.length > 0){
		setCookie("basket", "1", expires);
	} else {
		setCookie("basket", "0", expires);
	}
	chkBasket();
}

// функция выбора картинки
function selectImg(id_pos, obj){
	var tid_cookie = getCookie("tid");
	var re = new RegExp(id_pos+",");

	if (re.exec(tid_cookie)){
		obj.src = "/img/ico/basket.gif";
	} else {
		obj.src = "/img/ico/ok.gif";
	}
}

//замена картинки поиска
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}