$(document).ready(function() {
	$("#knopki .hvr").hover(
		function () {
			// activate tab
			$("#knopki .hvr").removeClass("hvr2")
			$(this).addClass("hvr2")
			
			// show associated div
			var id = $(this).attr('id').split('-')
			$("#bloknot .blok-text").css("display", "none")
			document.getElementById(id[0]).style.display = 'block'
		}, 
		function () {
		}
    )
	
	$("#knopki .hvr").click(
		function() {
			return false;
		}
	)
	
	$("#pravo form a").click(
		function () {
			this.parentNode.submit()
			return false
		}
	)
	
	$("a[rel=external]").attr('target', 'blank')
	
	$("a#poll-results").click(function() {
		$("#poll-loading").css('display', 'block')
		$.get($("#poll-form").attr('action')+'?poll='+$("#poll-form input:hidden").attr('value')+'&ajax=y', function(response){
			$("#poll-answers").html(response);
			$("a#poll-results").html('обновить')
			$("#poll-loading").css('display', 'none')
		});
		return false
	})
	
	$("#poll-form").submit(function() {
		var answer = 0
		$("input:radio", this).each(function(i){answer = this.checked ? this.value : answer})
		if (!answer) {
			alert('Выберите один из вариантов ответа!')
			return false
		}
		else {
			$("#poll-loading").css('display', 'block')
			$.get(this.action+'?answer='+answer+'&ajax=y');
			$.get(this.action+'?poll='+$("#poll-form input:hidden").attr('value')+'&ajax=y', function(response){
				$("#poll-answers").html(response)
				$("a#poll-results").html('обновить')
				$("#poll-loading").css('display', 'none')
			});
			return false
		}
	})
	
	$.Lightbox.construct({
		show_linkback:	false,
		text: {}
	});
})

function is_email(email_str) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=email_str.match(emailPat);
	if (matchArray==null) return false;
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++)	if (user.charCodeAt(i)>127) 	return false;
	for (i=0; i<domain.length; i++)	if (domain.charCodeAt(i)>127)	return false;
	if (user.match(userPat)==null) 	return false;
	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null) {
		for (var i=1;i<=4;i++)
			if (IPArray[i]>255) return false;
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;

	for (i=0;i<len;i++) if (domArr[i].search(atomPat)==-1) return false;
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) return false;
	if (len<2) return false;

	return true;
}