$(function($) {

		$('#menu_m #nav_'+ curnav ).addClass('cur');

		$("#nav_4,#nav_2").hover(function (){$(this).addClass("hover");},function (){$(this).removeClass("hover");}); 


		//disable right-click
	   $(this).bind('contextmenu', function(e) { 
		   return false;
		});

		//跟随屏幕滚动层
		var menuYloc = $("#contactDIV").offset().top;
		$(window).scroll(function (){ 
			var offsetTop = menuYloc + $(window).scrollTop() +"px";
			$("#contactDIV").animate({top : offsetTop },{ duration:400 , queue:false });
		});

	}); 
 

function openChatWin() {
	   var url = "http://www.365call.com.cn/chat/VIPChatWin.aspx?settings=mw7m0b0mXIXmz3ANXPIz3Am7PP6mmmX&LL=1&loc=http%3A//www.mfiii.org/";
	  window.open(url, "mw7m0b0mXIXmz3ANXPIz3Am7PP6mmmX0", "left=250,top=100,width=670,height=570, toolbar=no, menubar=no, scrollbars=no, resizable=yes,location=no, status=no,center=yes");
  }
function isempty (p){
	return typeof(p) == 'undefined' || p == null || (p+'').length == 0;
}
function ismail(value) {
	return ! isempty(value) && /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/i.test(value);
}
function ismobile(value){
    return ! isempty(value) && /^1[358][0-9]\d{8}$/.test(value);
}
function isqq(value){
    return ! isempty(value) && /^[1-9]\d{4,12}$/.test(value);
}
function istel(value){
    return ! isempty(value) && /^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})([\-\*](\d{1,}))?$/.test(value);
}