function isset( data ){
    return ( typeof( data ) != 'undefined' );
}

function simple_tooltip(target_items, name){
    $(target_items).each(function(i){
        $("body").append("<div class='"+name+"' id='"+name+i+"'><p>"+$(this).attr('title')+"</p></div>");
        var my_tooltip = $("#"+name+i);

        if($(this).attr("title") != "" && $(this).attr("title") != "undefined" ){

            $(this).removeAttr("title").mouseover(function(){
                my_tooltip.css({
                    opacity:0.8,
                    display:"none"
                }).fadeIn(400);
            }).mousemove(function(kmouse){
                var border_top = $(window).scrollTop();
                var border_right = $(window).width();
                var left_pos;
                var top_pos;
                var offset = 20;
                if(border_right - (offset *2) >= my_tooltip.width() + kmouse.pageX){
                    left_pos = kmouse.pageX+offset;
                } else{
                    left_pos = border_right-my_tooltip.width()-offset;
                }

                if(border_top + (offset *2)>= kmouse.pageY - my_tooltip.height()){
                    top_pos = border_top +offset;
                } else{
                    top_pos = kmouse.pageY-my_tooltip.height()-offset;
                }


                my_tooltip.css({
                    left:left_pos,
                    top:top_pos
                });
            }).mouseout(function(){
                my_tooltip.css({
                    left:"-9999px"
                });
            });

        }
    });


}