//var $j = jQuery.noConflict();

$(document).ready(function(){
          $("#cu_submit").click(function(){
          	var boole = 0;
          	if($("#name").attr('value') == '') {
		  boole = 1;
		  $("#name").css({'background' : '#b50000'});
		} else {
		  $("#name").css({'background' : '#fff'});
		}
		tmp = $("#mail").attr('value');
		if(tmp == '' || !tmp.match(/^[a-z0-9\.\_]+@[a-z0-9\.]+$/)) {
		  boole = 1;
		  $("#mail").css({'background' : '#b50000'});		
		} else {
		  $("#mail").css({'background' : '#fff'});
		}
		if($("#subject").attr('value') == '') {
		  boole = 1;
		  $("#subject").css({'background' : '#b50000'});
		} else {
		  $("#subject").css({'background' : '#fff'});
		}
		if($("#message").attr('value') == '') {
		  boole = 1;
		  $("#message").css({'background' : '#b50000'});
		} else {
		  $("#message").css({'background' : '#fff'});
		}
		if(boole == 1) {
          	  $("#errors").html('Please correct fill fields with red background!');
		  return false;
          	} else {
          	  $("#errors").html('');
          	}
	  })
});