function getPosition(obj) {
        var leftPosition = 0;
        var topPosition = 0;
        do {
            topPosition += obj.offsetTop || 0;
            leftPosition += obj.offsetLeft || 0;
            obj = obj.offsetParent;
        } while (obj);
        return [leftPosition,topPosition];
    }



function setConvertBarPosition(element_id, e, action) {

	cursor = getPosition(e);

	if (action == false) {
		document.getElementById(element_id).style.display = 'none';
	} else {
		document.getElementById(element_id).style.display 	= 'block';
		document.getElementById(element_id).style.left		= cursor[0]-(-20) + 'px';
		document.getElementById(element_id).style.top		= cursor[1] + 'px';
	}

	//alert(cursor[0]);
	//alert(cursor[1]);

}