$(function() {
	time=500;
	to=1;
	$('a[href*=#]').click(function(){
		var window_width=$(window).width();
		if(window_width>750)
	   		scroll_height_top=20
		else
	  		scroll_height_top=141	
	   
		if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {
			var $target = $(this.hash);
			$target = $target.length && $target || $('[name=' + this.hash.slice(1) + ']');
			if ($target.length) {
				if (to == 1) {
					$('html,body').animate({
						scrollTop: $target.offset().top-scroll_height_top
					}, time);
				}
				else if(to==2){
					$('html,body').animate({
						scrollLeft: $target.offset().left
					}, time);
				}else{
					alert('argument error锛?);
				}
				return false;
			}
		}
	});
});