$(document).ready(function(){

	/* feedback */
	$("#feedback").submit(function(){
		/*$("#feedback input").css("border","1px solid #666666");*/
		if ($("#feedback_fio").val() == lang['feedback'][3]  || $("#feedback_fio").val() == '') {
			/*$("#feedback_fio").css("border","2px solid #740000");*/
			$("#feedback_fio").focus();
			alert(lang['feedback']['errors'][0]);
			return false;
		}
		else if (!isValidEmail($("#feedback_email").val())) {
			$("#feedback_email").focus();
			alert(lang['feedback']['errors'][1]);
			return false;
		}
		else if ($("#feedback_phone").val() == lang['feedback'][5] || $("#feedback_phone").val() == '') {
			$("#feedback_phone").focus();
			alert(lang['feedback']['errors'][2]);
			return false;
		}
		else if ($("#feedback_theme").val() == lang['feedback'][6] || $("#feedback_phone").val() == '') {
			$("#feedback_theme").focus();
			alert(lang['feedback']['errors'][3]);
			return false;
		}
		else if ($("#feedback_body").val() == lang['feedback'][7] || $("#feedback_body").val() == '') {
			$("#feedback_body").focus();
			alert(lang['feedback']['errors'][4]);
			return false;
		}
		else {
			$("#send").attr("disabled",true);
			return true;
		}
	});
	/* comments */
	$("#blogComments").submit(function(){
		if ($("#blogName").val() == lang['blog']['form'][1]  || $("#blogName").val() == '') {
			$("#blogName").focus();
			alert(lang['blog']['errors'][1]);
			return false;
		}
		else if (!isValidEmail($("#blogEmail").val())) {
			$("#blogEmail").focus();
			alert(lang['blog']['errors'][0]);
			return false;
		}
		else if ($("#blogBody").val() == lang['blog']['form'][2] || $("#blogBody").val() == '') {
			$("#blogBody").focus();
			alert(lang['blog']['errors'][2]);
			return false;
		}
		else {
			$(".send").attr("disabled",true);
			return true;
		}
	});
	/* subscribe */
	$("#subscribeSend").click(function(){
		if (!isValidEmail($("#subscribeEmail").val())) {
			$("#subscribeEmail").focus();
			alert(lang['subscribe']['errors'][0]);
			return false;
		}
		else {
			$("#subscribe").submit();
			$(".send").attr("disabled",true);
		}
	});
	/* notice*/
	$("input").focus(function(){if($(this).val() == $(this).attr("notice") || $(this).val() == "")$(this).val("");});
	$("input").blur(function(){if($(this).val() == $(this).attr("notice") || $(this).val() == "")$(this).val($(this).attr("notice"));});
	$("textarea").focus(function(){if($(this).val() == $(this).attr("notice") || $(this).val() == "")$(this).val("");});
	$("textarea").blur(function(){if($(this).val() == $(this).attr("notice") || $(this).val() == "")$(this).val($(this).attr("notice"));});
});
function isValidEmail(email) {
	return (/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i).test(email);
}
function isNum(e) {
	var str = document.getElementById(e).value;
	var reg=/^([0-9]{1,9999})$|^([0-9]{1,9999}[\.,]{1}[0-9]{1,9999})$/;
	var result=reg.test(str);
	if(result) {
		if(str != 0) return true;
		else return false;
	}
}
function field_fill(element,string){
	if(element.value == string) element.value = "";
	else if(element.value == '') element.value = string;
}