var cookie_name = "cookie1_pr=";
var cookie_name2 = "cookie1_pr2=";
var cookie_name_history = "cookie1_history=";

function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function setCoookie(c_name,value,exdays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate() + exdays);
var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
document.cookie=c_name + "=" + c_value;
}


function getCookie(c_name)
{
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++)
{
  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  x=x.replace(/^\s+|\s+$/g,"");
  if (x==c_name)
    {
    return unescape(y);
    }
  }
}


function _update_cart(id, set_value) {
    //alert(id +'_'+ set_value);
		var value = set_value;
    if(value != 0 && !(value > 0)) value = document.f["c"+id].checked ? document.f["q"+id].value : 0;

    var c1, cvalue, i2;
    var name = "p"+id+"%3D";
    var c = document.cookie;
    var i = c.indexOf(cookie_name);
    if (i == -1) {
        c1 = "";
    } else {
        i += cookie_name.length;
        i2 = c.indexOf(";", i); 
        if (i2 == -1) c1 = c.substring(i, c.length);
        else c1 = c.substring(i, i2);
    } 

    if (c1.length) {
        i = c1.indexOf(name);
        if (i == -1) cvalue = c1+"%26"+name+value;
        else {
            i2 = c1.indexOf("%26", i);        
            cvalue = c1.substring(0, i+name.length) + value;
            if (i2 != -1) cvalue += c1.substring(i2, c1.length);
        }        
    } else {
       cvalue = name+value;        
    }

    document.cookie = cookie_name + cvalue + "; path=/;";

}

function _update_cart2(id, set_value) {

		var value = set_value;

    var c1, cvalue, i2;
    var name = "p"+id+"%3D";
    var c = document.cookie;
    var i = c.indexOf(cookie_name2);
    if (i == -1) {
        c1 = "";
    } else {
        i += cookie_name2.length;
        i2 = c.indexOf(";", i); 
        if (i2 == -1) c1 = c.substring(i, c.length);
        else c1 = c.substring(i, i2);
    } 

    if (c1.length) {
        i = c1.indexOf(name);
        if (i == -1) cvalue = c1+"%26"+name+value;
        else {
            i2 = c1.indexOf("%26", i);        
            cvalue = c1.substring(0, i+name.length) + value;
            if (i2 != -1) cvalue += c1.substring(i2, c1.length);
        }        
    } else {
       cvalue = name+value;        
    }

    document.cookie = cookie_name2 + cvalue + "; path=/;";
}

function _del_history(id) {

    var c1, cvalue, i2;
    var name = id+"%3D";
    var c = document.cookie;
    var i = c.indexOf(cookie_name_history);
    if (i == -1) {
        c1 = "";
    } else {
        i += cookie_name_history.length;
        i2 = c.indexOf(";", i); 
        if (i2 == -1) c1 = c.substring(i, c.length);
        else c1 = c.substring(i, i2);
    } 

    if (c1.length) {
        i = c1.indexOf(name);
        if (i == -1) cvalue = c1+"%26"+name;
        else {
            i2 = c1.indexOf("%26", i);        
            cvalue = c1.substring(0, i+name.length);
            if (i2 != -1) cvalue += c1.substring(i2, c1.length);
        }        
    } else {
       cvalue = name;        
    }

    document.cookie = cookie_name_history + cvalue + "; path=/;";
}


function _update_cart_comp(cid) {

    var value = document.f["cc"+cid].checked ? 1 : 0;

    document.cookie = "c"+cid+"="+value + "; path=/;"; 
}


function _clear_cart(noref) {

    document.cookie = cookie_name + "; expires=Fri, 31 Dec 1999 23:59:59 GMT; path=/;";
    //if(!noref) location.reload(); 
}

function _clear_cart2(noref) {

    document.cookie = cookie_name2 + "; expires=Fri, 31 Dec 1999 23:59:59 GMT; path=/;";
    //if(!noref) location.reload(); 
}


function add_qnt(id, value) {

    var field = document.f["q"+id];
    var sum = parseInt(field.value) + value;
    if (isNaN(sum) || sum < 1) sum = 1;
    else if (sum > 999) sum = 999;

    field.value = sum;

    _update_cart(id);
}