function showBox(){
	window.document.homePage.action="javascript:loginPage()";
	window.document.getElementById("id_error").style.display = 'none';
	window.document.getElementById("flash").style.display = 'none';
	window.document.getElementById("invite_header").style.display = '';
	window.document.getElementById("afterMail_friend").style.display = 'none';
	window.document.getElementById("After_Newsletter").style.display = 'none';
	document.homePage.email1.value="";
    $('overlay').show();
    center('box');
    return true;
}
function showBox_newsletter(){
	
	window.document.homePage.action="javascript:newsletter_func()";
	window.document.getElementById("id_error").style.display = 'none';
	window.document.getElementById("flash").style.display = 'none';
	window.document.getElementById("invite_header").style.display = '';
	window.document.getElementById("afterMail_friend").style.display = 'none';
	window.document.getElementById("After_Newsletter").style.display = 'none';
	document.homePage.email1.value="";
    $('overlay').show();
    center('box');
    return true;
}
function showContactBox(){
	window.document.homePage.action="javascript:sendFriendMail()";
	window.document.getElementById("flash").style.display = 'none';
	window.document.getElementById("invite_header").style.display = '';
	window.document.getElementById("friend_but").style.display = '';
	window.document.getElementById("id_error").style.display = 'none';
	window.document.getElementById("yourname").style.display = 'none';
	window.document.getElementById("afterMail_friend").style.display = 'none';
	window.document.getElementById("After_Newsletter").style.display = 'none';
	document.homePage.friends_email.value="";
	document.homePage.email1.value="";
    $('overlay').show();
    center('box');
    return true;
}
function showContactPageBox(){
    $('overlay').show();
    center('box');
    return true;
}

function hideBox(){
	window.document.getElementById("flash").style.display = '';
    $('box').hide();
    $('overlay').hide();
    window.document.getElementById("idinvite").style.display = 'none';
    window.document.getElementById("idnewsletter").style.display = 'none';
	window.document.getElementById("box").style.display = 'none';
	window.document.getElementById("overlay").style.display = 'none';
	window.document.getElementById("idnewsletter").style.display = 'none';
	window.document.getElementById("loadingImage").style.display = 'none';
	window.document.getElementById("afterMail_friend").style.display = 'none';
	window.document.getElementById("After_Newsletter").style.display = 'none';
	window.document.getElementById("loadingImageNews").style.display = 'none';
    return false;
}

function center(element){
    try{
        element = $(element);
    }catch(e){
        return;
    }

    var my_width  = 0;
    var my_height = 0;

    if ( typeof( window.innerWidth ) == 'number' ){
        my_width  = window.innerWidth;
        my_height = window.innerHeight;
    }else if ( document.documentElement && 
             ( document.documentElement.clientWidth ||
               document.documentElement.clientHeight ) ){
        my_width  = document.documentElement.clientWidth;
        my_height = document.documentElement.clientHeight;
    }
    else if ( document.body && 
            ( document.body.clientWidth || document.body.clientHeight ) ){
        my_width  = document.body.clientWidth;
        my_height = document.body.clientHeight;
    }

    element.style.position = 'absolute';
    element.style.zIndex   = 99;

    var scrollY = 0;

    if ( document.documentElement && document.documentElement.scrollTop ){
        scrollY = document.documentElement.scrollTop;
    }else if ( document.body && document.body.scrollTop ){
        scrollY = document.body.scrollTop;
    }else if ( window.pageYOffset ){
        scrollY = window.pageYOffset;
    }else if ( window.scrollY ){
        scrollY = window.scrollY;
    }

    var elementDimensions = Element.getDimensions(element);

    var setX = ( my_width  - elementDimensions.width  ) / 2;
    var setY = ( my_height - elementDimensions.height ) / 2 + scrollY;

    setX = ( setX < 0 ) ? 0 : setX;
    setY = ( setY < 0 ) ? 0 : setY;

    element.style.left = setX + "px";
    element.style.top  = setY + "px";

    element.style.display  = 'block';
}