$('body').append('<input type="button" value="a" id="mno" style="border-width: 0px; background: url(images/opacity.png);">')
$("#mno").css("position", "absolute").css("top", 300).css("left", 5).css({ color: "red" });
$('#mno').click(function(){
$('[name="keyword"]').val($('[name="vir"]').val() + "-" + $('[name="category_description[3][name]"]').val());
});
$('body').append('<input type="text" name="vir" id="vir" size="7" placeholder="TEXTA" style="border-width: 0px;" >')
$("#vir").css("position", "absolute").css("top", 260).css("left", 270).css({ color: "red" });
$('body').on('keyup', 'input[name="keyword"]', function(event) {
event.preventDefault();
$(this).val($(this).val().replace(/\s/ig, '-'));
});