var windowWidth = document.documentElement.clientWidth || document.body.clientWidth;
if (windowWidth < 769) {
	window['adaptive'].desinWidth = 750;
	window['adaptive'].baseFont = 24;
	window['adaptive'].maxWidth = 750;
	window['adaptive'].minWidth = 320;
	window['adaptive'].scaleType = 1;
	window['adaptive'].init();
} else {
	window['adaptive'].desinWidth = 1600;
	window['adaptive'].baseFont = 14;
	window['adaptive'].maxWidth = 1600;
	window['adaptive'].minWidth = 750;
	window['adaptive'].scaleType = 1;
	window['adaptive'].init();
}
//直接执行 js
function getScrollTop(){ return $('html').scrollTop() || $('body').scrollTop()}
	$(window).scroll(function(){  	
	   var scrollTop = getScrollTop();
		if(scrollTop>50){
			$('.header').addClass('is_header');
		}else{
			$('.header').removeClass('is_header')
		}
	})
$(function(){
	if(!$('.map').length)return;
	var tur = true; 
    $(window).scroll(function(){
        var totalheight = parseFloat($(window).height()) + parseFloat($(window).scrollTop()),mapb=$('.map').height()/2;
        if($('.map').offset().top+mapb < totalheight){
			if(tur){
				$('.map_loading').delay(250).fadeOut(400);
				tur = false; 
			}
        }
    })	
})