jquery alert

/**
* jAlert v.1.0.0
* Copyright (c) 2008 Julian Castaneda
* http://www.smooka.com/blog/2009/02/22/jalert-jquery-alert-box-plugin/
* Requires: jQuery 1.2+
*
* Edit / Tweak by aeroson
* example call  $('.lalal').alert("This is a jAlert success Box", { type:'success', timeout:'5000', width:'350', y_offset:0 } );
* alert ( msg [, options ] )
* options => type (default 'fatal') , timeout (default 0 = no timeout), width (default 350), y_offset (default -4-box height }
*/


$(window).resize(function() {
  $(".msg-box-cont").each(function( index ) {
    //align center all
    var width = $(this).width();
    var container=$("#"+$(this).attr('cont'));
    var container_width = container.innerWidth();
    var container_left = container.position().left;
    var actual_left = ((container_width-width)/2)+container_left;
    $(this).css("left",actual_left+"px");
  });
});


(function($) {

    $.fn.alert = function (msg, options)
    {

      if(!options) options=0;

      var container = this;
        var overlay = 0;

        var uid = this.attr('id');

        if ($('#jalert_cont_'+uid).css('display') == 'block')
        {
        milisec=(new Date()).getTime();
        $('#jalert_cont_'+uid).attr('id','jalert_cont_t'+milisec);
        $('#jalert_close_'+uid).attr('id','jalert_close_t'+milisec);
        remove($('#jalert_cont_t'+milisec),500);
        }

      var type=options.type||'fatal';

      var width=options.width||350;


        if (overlay==1) {
            $('<div id="jalert_overlay_'+uid+'"></div>').prependTo('body');
                var overlayWidth = $(window).width();
                var overlayHeight = $(document).height();
                var winHeight =  $(window).height();
                $("#jalert_overlay_"+uid).css({
                      top: 0,
                      left: 0,
                      width: overlayWidth,
                      height: winHeight,
                      position: "fixed",
                      display: "block",
                      background: "#000",
                      zIndex: "1000"
                  });
                $("#jalert_overlay_"+uid).css("opacity", 0.7);
        }

      $('<div class="msg-box-cont msg-'+type+'" cont="'+uid+'" id="jalert_cont_'+uid+'"><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr><td><div class="msg-text"><div class="msg-icon msg-icon-'+type+'"></div>'+msg+'</div></td><td width="21" valign="top"><div id="jalert_close_'+uid+'" class="msg-btn close-'+type+'"></div></td></tr></table></div>').appendTo('body');

      var jqobj=$("#jalert_cont_"+uid);

      jqobj.width(width);

      //align center
            var width = jqobj.width();
      var container_width = container.innerWidth();
      var container_left = container.position().left;
      var actual_left = ((container_width-width)/2)+container_left;
      jqobj.css("left",actual_left+"px");

      var y_offset = options.y_offset||-4-jqobj.height();


        var top=this.position().top + y_offset;

        jqobj.css("top",(top+20)+"px").animate({top:top+"px"},{duration:500,queue:false}).fadeIn(500);


        $(document).click(function() {
            $("#jalert_overlay_"+uid).fadeOut(100);
            $("#jalert_overlay_"+uid).remove();
        });


        $('#jalert_close_'+uid).click(function() {
        remove(jqobj);
        });

      if (options.timeout) {
        var timeoutId=setTimeout(function(){
          remove(jqobj);
        },options.timeout);
      };


      function remove(id,t) {
        if (t==undefined) t=300;
        if (timeoutId!=undefined) window.clearTimeout(timeoutId);
        id.fadeOut(t, function(){
          id.empty().remove();
        });
      }

    };

})(jQuery);