").html("");
var PH = document.body.scrollHeight;
$overlay = $("").css({width:"100%",height:PH+"px",top:"0"}).append($window).bind("click",overlay_kill);
ajaxRequest(url,onSucess);
$("body").append($overlay).css({"overflow-y":"hidden"});
overlay_center_window($window);
}
else
{
//alert("paizei malakia sto overlay_create()");
}
};
function overlay_append(data)
{
if ($window && $overlay)
{
overlay_cleanup();
$window.append(data);
$window.append($overlay_exit);
overlay_center_window($window);
$window.fadeIn(250);
}
};
//clean up the window inside overlay used everytime content is swapped
function overlay_cleanup()
{
$window.hide().empty();
};
//kills the overlay and restore scrolling
function overlay_kill(e)
{
if($(e.target).is("#overlay") || $(e.target).is("#overlay_exit"))
{
if ($overlay)
{
$("#overlay").fadeOut(150,function()
{
$overlay.remove();
$("body").css({"overflow-y":"scroll"});
$window = $overlay = null;
});
}
}
};
//center the window in overlay, used after
function overlay_center_window($window)
{
//calc window height and width
var w = $window.width();
var h = $window.height();
//calc browser heigth and width
var Pw = window.innerWidth || document.documentElement.clientWidth;
var Ph = window.innerHeight || document.documentElement.clientHeight;
//calc distance top
var T = 0 + Ph/2 - h/2;
T = (T>0) ? T : 0;
//calc distance left
var L = 0 + Pw/2 - w/2;
L = (L>0) ? L : 0;
//apply css
$window.css({top:T+"px",left:L+"px"});
$overlay_exit.css({top:Number(T+5)+"px",left:Number(L+w+4)+"px"});
};
String.prototype.reverse = function(){splitext = this.split("");revertext = splitext.reverse();reversed = revertext.join("");return reversed;};