function createXMLHttp() {
	 if(window.XMLHttpRequest){
		 return new XMLHttpRequest();
	 }else if(window.ActiveXObject){
		return new ActiveXObject("Microsoft.XMLHTTP");
	 }else{
		return null;
	 }
}


function loveproduct(productId,productCode,customerId){
	if(customerId<=0){
		document.getElementById("love_message").innerHTML="Not login, can't add.";
	}else{
		var xhr=createXMLHttp();
		var biaoshi=Math.floor(Math.random()*1000);
		var url="/welcome/addLoveProduct.php";
		xhr.open("POST",url,true);
		xhr.onreadystatechange=function(){
			  if(xhr.readyState==4){
					var result=xhr.responseText;
					if(result=="1"){
						document.getElementById("love_message").innerHTML="Added favorite item successfully";
					}else if(result=="0"){
						document.getElementById("love_message").innerHTML="Already added";
					}else if(result=="2"){
						document.getElementById("love_message").innerHTML="Added favorite item fail";
					}else if(result=="4"){
						document.getElementById("love_message").innerHTML="Added favorite item error(get customerid error)";
					}else{
						document.getElementById("love_message").innerHTML="Added favorite item error(act error)";
					}
			  }
		}
		xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xhr.send("act="+escape("add")+"&biaoshi="+escape(biaoshi)+"&productId="+escape(productId)+"&productCode="+escape(productCode)+"&customerId="+escape(customerId));
	}
}



function loveproduct_list(productId,productCode,customerId,messageId){
	var v=document.getElementsByTagName("label");
	for(i=0;i<v.length;i++){
		if(v[i].name=="love_message"){
			v[i].innerHTML="";
		}
	}

	if(customerId<=0){
		document.getElementById(messageId).innerHTML="Not login, can't add.";
	}else{
		var xhr=createXMLHttp();
		var biaoshi=Math.floor(Math.random()*1000);
		var url="/welcome/addLoveProduct.php";
		xhr.open("POST",url,true);
		xhr.onreadystatechange=function(){
			  if(xhr.readyState==4){
					var result=xhr.responseText;
					if(result=="1"){
						document.getElementById(messageId).innerHTML="Added favorite item successfully";
					}else if(result=="0"){
						document.getElementById(messageId).innerHTML="Already added";
					}else if(result=="2"){
						document.getElementById(messageId).innerHTML="Added favorite item fail";
					}else if(result=="4"){
						document.getElementById(messageId).innerHTML="Added favorite item error(get customerid error)";
					}else{
						document.getElementById(messageId).innerHTML="Added favorite item error(act error)";
					}
			  }
		}
		xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xhr.send("act="+escape("add")+"&biaoshi="+escape(biaoshi)+"&productId="+escape(productId)+"&productCode="+escape(productCode)+"&customerId="+escape(customerId));
	}
}


function delete_love(loveId,customerId,messageId){
		var xhr=createXMLHttp();
		var biaoshi=Math.floor(Math.random()*1000);
		var url="addLoveProduct.php";
		xhr.open("POST",url,true);
		xhr.onreadystatechange=function(){
		  if(xhr.readyState==4){
				var result=xhr.responseText;
				if(result=="1"){
					window.location.reload();
				}
		  }
		}
		xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xhr.send("act="+escape("delete")+"&biaoshi="+escape(biaoshi)+"&loveId="+escape(loveId)+"&customerId="+escape(customerId));
}