function addBox() {
	$(".select_box tbody tr:last").after("<tr><td>7</td><td>777</td><td>777</td></tr>");
}

function delBox() {
	selToDelBox = $(".select_box tbody tr[bgcolor=#fffccc]");
	if (selToDelBox) $(selToDelBox).remove(); 
	else alert("Not select box!");
}


$(document).ready(function() { 
	$(".select_box").mouseover(function() {
		selBox = $(".select_box tbody tr");
		selBox.click(function (ev) {
			$(".select_box tbody tr[bgcolor=#fffccc]").removeAttr("bgcolor");
			$(this).attr("bgcolor","#fffccc"); //#fffccc
			
		});	
	})
	
}); //Конец ready