function checkBrowserEnableCookie(){var cookieEnabled=(navigator.cookieEnabled)?true:false
if(typeof navigator.cookieEnabled=="undefined"&&!cookieEnabled){document.cookie="testcookie"
cookieEnabled=(document.cookie.indexOf("testcookie")!=-1)?true:false}
if(cookieEnabled)return true;else return false;}
function createCookie(name,value,days){if(days){var date=new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires="; expires="+date.toGMTString();}
else var expires="";document.cookie=name+"="+value+expires+"; path=/";}
function readCookie(name){var nameEQ=name+"=";var ca=document.cookie.split(';');for(var i=0;i<ca.length;i++){var c=ca[i];while(c.charAt(0)==' ')c=c.substring(1,c.length);if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);}
return null;}
function eraseCookie(name){createCookie(name,"",-1);}
function countShoppingCart(name){if(readCookie(name)==null){createCookie(name,'-',1);document.getElementById('count_shopping_cart').innerHTML=0;}else{var current_cart=readCookie(name);var ca=current_cart.split(',');number_product=ca.length;document.getElementById('count_shopping_cart').innerHTML=number_product-1;}}
function emptyShoppingCart(name){createCookie(name,'-',1);}
function addToShoppingCart(sellid,quantity){if(readCookie('shopping_cart')==null){createCookie('shopping_cart',',',1);}
var current_cart=readCookie('shopping_cart');if(current_cart.search(','+sellid+'-')==-1){var new_cart=current_cart+','+sellid+'-'+quantity;createCookie('shopping_cart',new_cart,1);countShoppingCart('shopping_cart');document.getElementById('item_'+sellid).innerHTML='Trong giỏ hàng';}else{alert('Sản phẩm đã có trong giỏ hàng!');}}
function checkItemInCart(sellid){var current_cart=readCookie('shopping_cart');if(current_cart.search(','+sellid+'-')!=-1){document.write('Trong giỏ hàng');}else{document.write('<a href=\"javascript:addToShoppingCart('+sellid+',1);\">Thêm giỏ hàng</a>');}}
function deleteShoppingCartItem(sellid,quantity){if(confirm('Bạn muốn xóa bỏ sản phẩm này khỏi giỏ hàng ? ')){var current_cart=readCookie('shopping_cart');new_cart=current_cart.replace(","+sellid+'-'+quantity,"");createCookie('shopping_cart',new_cart,1);countShoppingCart('shopping_cart');window.location.href='gio-hang.html';}}//minified