var i = 0;

$("#hide-menu").click(function() {
    
        i++;
        $(document).find(".bottom-header").toggle("slow");
    
        if(i%2 !== 0) {
            $(document).find(".hide-menu a").html("✖");
        } else {
             $(document).find(".hide-menu a").html("☰");
        }
     
});

$("#sub").click(function() {
    var region = $(document).find("#region").val();
    var level = $(document).find("#level").val();
    var sert = $(document).find("#sert").val();
    
    if(region == "Выберите") {
        $(document).find(".errorr").show();
    }
    else {
        $(document).find(".errorr").hide();
    }
    
    if(level == "Выберите") {
        $(document).find(".errorl").show();
    }
    else {
        $(document).find(".errorl").hide();
    }
    
    if(sert == "Выберите") {
        $(document).find(".errors").show();
    }
    else {
        $(document).find(".errors").hide();
    }
        
    
});

$(document).ready(function () {
    

        
        var w = $( document ).width();
	    $('a[href^="#"]').bind('click.smoothscroll',function (e){
	       e.preventDefault();
	       var target = this.hash,
	       $target = $(target);

	       $('html, body').stop().animate({
	            'scrollTop': $target.offset().top}, 1000, 'swing', function () {
	            window.location.hash = target;
	        });
	    });


        var handler = function ( event ){
        	event = event || window.event;
        	var target = event.target || event.srcElement;
          	if ( target.nodeType == 1 && target.nodeName.toLowerCase() == "input" && target.type == "checkbox" && target.checked ) {
            	var inputs = document.getElementsByTagName("input");
           		for ( var i = 0; inputs[i]; i++ ) {
              		if ( inputs[i].type == "checkbox" && inputs[i] != target ) {
               			inputs[i].checked = false;
              		}
            	}
          	}
        }
        if (document.addEventListener){
          document.addEventListener('click', handler, false);
        } else if (document.attachEvent){
          document.attachEvent('onclick', handler);
        }


    
	

 
});