// JScript File

function ShowHtml(str)
{
    document.getElementById("daisu").innerHTML = str;
}
function Get_Url_id()
{
	var id='';
	var query = window.location.href;
	var sharpIndex = query.indexOf('id=');
	if (sharpIndex>0)
		id = query.substr(query.indexOf('id=') + 3);
		else id=0;
	id=News.Tach_id(id).value;		
	return id;
}
function Get_Url_NN()
{
	var id='';
	var query = window.location.href;
	var sharpIndex = query.indexOf('&N=');
	if (sharpIndex>0)
		id = query.substr(query.indexOf('&N=') + 3);
		else id='VN';				
	return id;
}

// znquanghuy@gmail.com ---------------------------------------
function GetPreviousPage(pageSize, itemCount, currentPage)
{
    if (currentPage > 1) 
        currentPage=currentPage-4;
    if (currentPage <1) 
        currentPage = 1;
    return currentPage;
}


function GetLastPage(pageSize, itemCount, currentPage)
{
    if (itemCount > 0)
    {
        var mod = itemCount % pageSize;
        if (mod > 0)
            currentPage = Math.round(itemCount / pageSize + 0.5);
        else
            currentPage = Math.round(itemCount / pageSize);
    }
    return currentPage;
}
// Show Pages
function Show_PhanTrang(pageSize, itemCount, currentPage)
{
    if(itemCount > pageSize)
    {
        var Num = '',i,star,end;
        var LastPage = GetLastPage(pageSize, itemCount, currentPage);
        if(currentPage <= 4)
        {
            star = 1;
            end = 4;            
            if(LastPage <= 4)
                end = LastPage;
        }
        else
        {            
            star=News.Star_Page(currentPage,4).value;                       
            end=star+3;
            if(LastPage<end)
                end=LastPage;
        }  
        for( i = star; i <= end; i++ )
            if(i == currentPage)
            {
                if(i != end)
                    Num += " <a Title=\"Page : " + i + "\" class=\"link_menu_click_page\" href=\"javascript:void('^-^')\" onclick=\"ShowPage(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a> <img src=\"images/viethuong_bg_menu_line.png\">" ;
                else Num += " <a Title=\"Page : " + i + "\" class=\"link_menu_click_page\" href=\"javascript:void('^-^')\" onclick=\"ShowPage(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a>" ;
            }
            else
            {
                if(i!=end)
                    Num += " <a Title=\"Page : " + i + "\" class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a> <img src=\"images/viethuong_bg_menu_line.png\">" ;
                else Num += " <a Title=\"Page : " + i + "\" class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a>" ;
            }
var Sumpage=GetLastPage(pageSize, itemCount, currentPage);
if( currentPage > 4)
        var First = "<a class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + GetPreviousPage(pageSize, itemCount, currentPage) + ")\"> ... </a>" ;
        else First = "";
if(Sumpage > 4 &&i<=Sumpage)
	    var Last=" <a class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + GetNextPage(pageSize, itemCount, currentPage) + ")\"> ... </a> "; 
else Last= "" ;
	      document.getElementById("trang").innerHTML = First+Num+Last; 
	  }
}
//-------Sản phẩm ----------
function ShowHtml_Product(str)
{
    document.getElementById("Product_").innerHTML = str;
}
function Get_Url_id_Product()
{
	var id='';
	var query = window.location.href;
	var sharpIndex = query.indexOf('id=');
	if (sharpIndex>0)
		id = query.substr(query.indexOf('id=') + 3);
		else id=0;
	id=Product.Tach_id(id).value;		
	return id;
}

function GetNextPage_P(pageSize, itemCount, currentPage)
{    
    return Product.Next_Page(currentPage,4).value;
}
// Show Pages
function Show_PhanTrang_P(pageSize, itemCount, currentPage)
{
    if(itemCount > pageSize)
    {
        var Num = '',i,star,end;
        var LastPage = GetLastPage(pageSize, itemCount, currentPage);
        if(currentPage <= 4)
        {
            star = 1;
            end = 4;            
            if(LastPage <= 4)
                end = LastPage;
        }
        else
        {            
            star=Product.Star_Page(currentPage,4).value;                       
            end=star+3;
            if(LastPage<end)
                end=LastPage;
        }  
        for( i = star; i <= end; i++ )
            if(i == currentPage)
            {
                if(i != end)
                    Num += " <a Title=\"Page : " + i + "\" class=\"link_menu_click_page\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a> <img src=\"images/viethuong_bg_menu_line.png\">" ;
                else Num += " <a Title=\"Page : " + i + "\" class=\"link_menu_click_page\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a>" ;
            }
            else
            {
                if(i!=end)
                    Num += " <a Title=\"Page : " + i + "\" class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a> <img src=\"images/viethuong_bg_menu_line.png\">" ;
                else Num += " <a Title=\"Page : " + i + "\" class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + i + ")\"> " + i + " </a>" ;
            }
var Sumpage=GetLastPage(pageSize, itemCount, currentPage);
if( currentPage > 4)
        var First = "<a class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + GetPreviousPage(pageSize, itemCount, currentPage) + ")\"> ... </a>" ;
        else First = "";
if(Sumpage > 4 &&i<=Sumpage)
	    var Last=" <a class=\"link_menu\" href=\"javascript:void('^-^')\" onclick=\"ShowPage_Product(" + pageSize + "," + itemCount + "," + GetNextPage_P(pageSize, itemCount, currentPage) + ")\"> ... </a> "; 
else Last= "" ;
	      document.getElementById("trang").innerHTML = First+Num+Last; 
	  }
}