$(document).ready(function(){ 
	$(".subTable").hide();
	$(".maintable").hoverIntent({
	   sensitivity: 1, // number = sensitivity threshold (must be 1 or higher)
	   interval: 50, // number = milliseconds for onMouseOver polling interval
	   over: divSlideDown, // function = onMouseOver callback (required)
	   timeout: 300, // number = milliseconds delay before onMouseOut
	   out: divSlideUp // function = onMouseOut callback (required)
	});
});

function divSlideDown(){
	$(this).children('.subTable').slideDown();
}
function divSlideUp(){
	$(this).children('.subTable').slideUp();
}