$(document).ready(function(){ 

	$(document).pngFix();

	$("img.form_button").click(function(){

		checkForm(this);

	});

	$("input.text").keypress(function(e){

		if(e.which == 13){

			checkForm(this);

			return false;

		}

	});

	$("#search_form").find("div.delete_icon").click(function() {

		$("#search_form").find("input.text").attr({value:""});

		$("#search_form").find("input.text").focus();

	});

	$("#search_form").find("img.form_button").hover(function() {

		$(this).addClass("button_hover");

	}, function() {

		$(this).removeClass("button_hover");

	});

	$("#search_form").find("div.delete_icon").hover(function() {

		$(this).addClass("delete_icon_hover");

	}, function() {

		$(this).removeClass("delete_icon_hover");

	});

	$("div.pager").find("img").hover(function() {

		$(this).addClass("hover");

	}, function() {

		$(this).removeClass("hover");

	});

	$("#order_form input.send").hover(function() {

		$(this).addClass("button_hover");

	}, function() {

		$(this).removeClass("button_hover");

	});

	$("#order_form input.send").click(function() {

		checkForm(this);

		return false;

	});

});



function checkForm(form_element) {

	var formElement = form_element;

	var form = $(formElement).parents("form");

	if ($(form).attr("id") == "search_form") {

		if ($(form).find("input.text").attr("value") == "") {

			return false;

		}

		else {$(form).submit();

		}

	}

	else {

		var flag = 0;

		$(form).find("input.text").each(function() {

			if ($(this).attr("value") == "") {

				$(this).parent().addClass("attention");

				flag = 1;

			}

			else {

				if ($(this).attr("name").toLowerCase().search("mail") != -1) {

					var mail = $(this).attr("value");

					var mailRegex = /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i;

					if(!mail.match(mailRegex)){

						$(this).parent().addClass("attention");

						flag = 1;

					}

					else {$(this).parent().removeClass("attention");

					}

				}

				else {

					$(this).parent().removeClass("attention");

				}

			}

		});

		if (flag == 0) {$(form).submit();

		}

		else {return false;

		}

	}

}



//навигация с помощью стрелок

function NavigateThrough(event) {

	if (!document.getElementById) return;

	if (window.event) event = window.event;

	if (event.ctrlKey) {

		var link = null;

		var href = null;

		switch (event.keyCode ? event.keyCode : event.which ? event.which : null) {

			case 0x25: link = document.getElementById ('PrevLink'); break;

			case 0x27: link = document.getElementById ('NextLink'); break;

			case 0x24: href = '/'; break;

		}

		if (link && link.href) document.location = link.href;

		if (href) document.location = href;

	}			

}