function setUpDropDownEvents(link, dropDown) {
    link.hover(function() {
    	dropDown.css({ left: link.position().left});
        dropDown.stop(true, true).show();
    }, function(e) {
    	pos = dropDown.position();
        if (e.pageX <= pos.left || e.pageY < pos.top + 30) {
            dropDown.stop(true, true).hide();
        }
    })
    
    dropDown.hover(function() {},
                   function(e) {
                       pos = link.position();
                       if (e.pageY > pos.top + 30 || e.pageX < pos.left || e.pageX > pos.left + link.width()) {
                           $(this).stop(true, true).hide();
                       }
                   });

}

$(document).ready(function() {
    setUpDropDownEvents($('#datacleansinglink'), $('#datacleansingdropdown'));
    setUpDropDownEvents($('#datasupplylink'), $('#datasupplydropdown'));
});