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 checkEngE(event){if (((event.keyCode < 48) || (event.keyCode > 57))  && ((event.keyCode < 64) || (event.keyCode > 90)) && ((event.keyCode < 97) || (event.keyCode > 122))  && (event.keyCode != 45) && (event.keyCode != 46) && (event.keyCode != 95)){alert('Переключите клавиатуру на английский язык');event.returnValue=false;}}
function checkRus(event){if (((event.keyCode < 1040) || (event.keyCode > 1103))  && (event.keyCode != 1105) && (event.keyCode != 1025) && (event.keyCode != 45)){alert('Переключите клавиатуру на русский язык');event.returnValue=false;}}
function checkNum(event){if ((event.keyCode < 48) || (event.keyCode > 57)) event.returnValue=false;}
function checkNumRus(event){if ((((event.keyCode < 1040) || (event.keyCode > 1103))  && (event.keyCode != 1105) && (event.keyCode != 1025) && (event.keyCode != 45)) && ((event.keyCode < 48) || (event.keyCode > 57)) || (event.keyCode == 45)) event.returnValue=false;}
function clearField(s){if (event.keyCode == 8) {document.getElementById(s).value = "";}}
function no() {}

F_Doc = function(){
	
	this.init = function(){
		$("#top_city_1").click(function(){
			$("#top_right_city").toggle();
		});
		$(".top_city_a").hover(
			function(){$(this).css({"border":"none","margin-bottom":"1px"});},
			function(){$(this).css({"border-bottom":"1px dashed #de0707","margin-bottom":"0"});}
		);
		
		$(".sotr_all").hover(
			function(){$(this).css({"border":"none","margin-bottom":"21px"});},
			function(){$(this).css({"border-bottom":"1px dashed #006b9a","margin-bottom":"20px"});}
		);
	}
	
	this.slider = function(){
		var sl = $("#slider_l"), sr = $("#slider_r");
		
		if(sl.hasClass("slider_1")){
			sl.addClass("slider_2").removeClass("slider_1");
			sr.addClass("slider_1").removeClass("slider_2");
		}
		else{
			sr.addClass("slider_2").removeClass("slider_1");
			sl.addClass("slider_1").removeClass("slider_2");
		}
		
		t = setTimeout("doc.slider()",2000);
	}
}

doc = new F_Doc();
var t;

$().ready(function(){
	doc.init();
	t = setTimeout("doc.slider()",2000);
});