function AddBookmark(title, url)
{
    if (window.sidebar)
    {
	    window.sidebar.addPanel(title, url, "");
	}
    else if(window.opera && window.print)
    {
	    var a = document.createElement('a');
	    a.setAttribute('href',url);
	    a.setAttribute('title',title);
	    a.setAttribute('rel','sidebar');
	    a.click();
    } 
    else if(document.all)
    {
	    window.external.AddFavorite(url, title);
	}
}

function SendToFriend(iframe)
{
    if(!iframe) return;
    iframe = document.getElementById(iframe);
    if(!iframe) return;
    if(iframe.style.display == "none")
    {
        iframe.src = "sendtofriend.php";
        iframe.style.display = "";
    }
    else
    {
        iframe.style.display = "none";
    }
}

function ShowImage(image)
{
    image.style.display = "";
}

function CreatePager(pageCount, currentPage, url)
{
    var pages = new Array();
    var startPage = 0;
    var endPage = 0;
    
    startPage = currentPage - 2;
    if(startPage < 0) startPage = 0;
    if(startPage + 4 < pageCount)
    {
        endPage = startPage + 4;
    }
    else
    {
        endPage = pageCount - 1;
    }
    if(endPage - 4 < 0)
    {
        startPage = 0;
    }
    else
    {
        startPage = endPage - 4;
    }
    if (pageCount>1)
    {
    //pages[pages.length] = "<a class='Page' " + (pageCount > 0 ? "href='" + url.replace("{page}", 0) + "'" : "") + ">Trang đầu</a>";
    if (currentPage-1>=0){
    pages[pages.length] = "<a class='Page' " + (currentPage - 1 >= 0 ? "href='" + url.replace("{page}", currentPage - 1) + "'" : "") + ">Trang trước</a>";}
	
    for(var i = startPage; i <= endPage; i++)
    {
        pages[pages.length] = "<a class='" + (i == currentPage?"Current":"") + "' href='" + url.replace("{page}", i) + "'>" + (i + 1) + "</a>";
    }

	if (currentPage+1<pageCount){
    pages[pages.length] = "<a class='Page' " + (currentPage + 1 < pageCount ? "href='" + url.replace("{page}", currentPage + 1) + "'" : "") + ">Trang sau</a>";}
    //pages[pages.length] = "<a class='Page' " + (pageCount > 0 ? "href='" + url.replace("{page}", pageCount - 1) + "'" : "") + ">Trang cuối</a>";
    }
	
    document.write(pages.join(""));
}

function ShowNews()
{
    var input = document.getElementById("NewsID");
    if(!input) return;
    if(isNaN(input.value) || parseInt(input.value) == 0)
    {
        alert("Vui lòng nhập giá trị số lớn hơn 0.");
        return;
    }
    location.href =  "realestate.php?id="+parseInt(input.value);
}
function checkfrmquicksearch(ObjForm)
{
	var input = document.getElementById("NewsID");
	
    if(!input) return;
	
	if(isNaN(input.value) || parseInt(input.value) == 0)
    {
      	input.value="";
    }
}

function InitDefaultValueTextbox(textbox)
{
    if(!textbox) return;
    if(textbox.initialized) return;
    textbox.initialized = true;
    textbox.onfocus = function()
        {
            if(!this.valueChanged)
            {
                this.defaultValue = textbox.value;
                this.value = "";
            }
        }
    textbox.onchange = function()
        {
            this.valueChanged = true;
        }
    
    textbox.onblur = function()
        {
            if(this.value)
            {
                if(!this.valueChanged && this.value != this.defaultValue)
                {
                    this.value = this.defaultValue;
                }
            }
            else
            {
                this.valueChanged = false;
                this.value = this.defaultValue;
            }
        }
        
    textbox.onfocus();
}