function Favorite_buy(form,submitpage){   	
	if(form.CartManager_ProductID == null){
		alert("没有可选的商品");
		return false;
	}
	if(isEmpty(form)){
		alert("请选择要购买的商品");
		return false;
	}
	
	var len = form.CartManager_ProductID.length;
	if(len==null){		
		form.CartManager_ProductID.value=form.CartManager_ProductID.value+";"+form.Favorite_ProductName.value;		
	}else{		
		for(i = 0;i<len;i++){
			form.CartManager_ProductID[i].value=form.CartManager_ProductID[i].value+";"+form.Favorite_ProductName[i].value;
		}
	}

	form.action=submitpage+"?CartManager_action=add";	
	form.submit();
}

function Favorite_delete(form,submitpage){		
	if(form.CartManager_ProductID == null){
		alert("没有可选的商品");
		return false;
	}	
	if(isEmpty(form)){		
		alert("请选择要删除的商品");
		return false;
	}		
	if(confirm("确定删除选中信息?")){	
		var date = new Date();
		form.Favorite_action.value="delete";
		form.action=submitpage+"?time=" + date.getTime();	
		form.submit();
	}	
}

function Favorite_openNewWindow(url, type, str){
  var date = new Date();						
	window.name = "productExhibitList" + date.getTime();		
	window.open(url, type, str);		
}

function isEmpty(form){	
	var isEmpty=true;
	var len = form.CartManager_ProductID.length;
	if(len==null){
		if(form.CartManager_ProductID.checked){
			isEmpty=false;
		}
	}else{	
		for(i=0;i<len;i++){
			if(form.CartManager_ProductID[i].checked){
				isEmpty=false;
				break;
			}	
		}	
	}
	return isEmpty;
}

function Favorite_checkall(form){
	if(form.CartManager_ProductID != null){	
		var len = form.CartManager_ProductID.length;
		if(len==null){
			if(form.boxall.checked==true)
				form.CartManager_ProductID.checked=true
			else
				form.CartManager_ProductID.checked=false
		}else{
			for(i=0;i<form.CartManager_ProductID.length;i++)
			{
				if(form.boxall.checked==true)
					form.CartManager_ProductID[i].checked=true
				else
					form.CartManager_ProductID[i].checked=false
			}	
		}
	}
}