(function($) 
{

jQuery.mlp = {x:0,y:0}; // Mouse Last Position
$(document).mousemove(function(e){
    jQuery.mlp = {x:e.pageX,y:e.pageY}
});

function notNans(value)
{
    if(isNaN(value)){
        return 0;
    } else {
        return value
    }
}

$.fn.ismouseover = function(overThis) 
{  
    var result;
    this.eq(0).each(function() {  
            var offSet = $(this).offset();
            var w = Number($(this).width())
            + notNans(Number($(this).css("padding-left").replace("px","")))
            + notNans(Number($(this).css("padding-right").replace("px",""))) 
            + notNans(Number($(this).css("border-right-width").replace("px","")))
            + notNans(Number($(this).css("border-left-width").replace("px",""))) ;
            var h = Number($(this).height()) 
            + notNans(Number($(this).css("padding-top").replace("px",""))) 
            + notNans(Number($(this).css("padding-bottom").replace("px","")))
            + notNans(Number($(this).css("border-top-width").replace("px","")))
            + notNans(Number($(this).css("border-bottom-width").replace("px","")));
            if(offSet.left<jQuery.mlp.x && offSet.left + w > jQuery.mlp.x
             && offSet.top<jQuery.mlp.y &&  offSet.top + h > jQuery.mlp.y)
            {
                result = true;
            } else {
                result = false;
            }
    });  
    return result;
};  

})(jQuery);