function getAbsolutePosition(element){
    var ret = new Point();
    for(; 
        element && element != document.body;
        ret.translate(element.offsetLeft, element.offsetTop), element = element.offsetParent
        );
        
    return ret;
}

function Point(x,y){
        this.x = x || 0;
        this.y = y || 0;
        this.toString = function(){
            return '('+this.x+', '+this.y+')';
        };
        this.translate = function(dx, dy){
            this.x += dx || 0;
            this.y += dy || 0;
        };
        this.getX = function(){ return this.x; }
        this.getY = function(){ return this.y; }
        this.equals = function(anotherpoint){
            return anotherpoint.x == this.x && anotherpoint.y == this.y;
        };
}