function upNext(bigimg){
    var width = bigimg.width;
    var height = bigimg.height;
    
	bigimg.onmousemove=function(event){
        var evt = window.event || event;
        var ox=evt.layerX?(evt.layerX):evt.offsetX;
        if(ox<width/2){
            bigimg.style.cursor = 'url(image/home/arr_left.cur),auto';
            $("#way").val("leftway");
        }else{
            bigimg.style.cursor = 'url(image/home/arr_right.cur),auto';
            $("#way").val("rightway");
        };
    };
    
    bigimg.onclick=function(){
    	var baseurl = $("#baseurl").val();;
    	var goupid =  $("#goupid").val();
    	var godownid =  $("#godownid").val();
        var lefturl = baseurl+goupid;
        var righturl = baseurl+godownid;
    	var imgurl = righturl;
    	
    	var way = $("#way").val();
    	if(way == "leftway")
    	{
    		var imgurl = lefturl;
    	}else if(way == "rightway")
    	{
    		var imgurl = righturl;	
    	}
    	changepic(imgurl,way);
    };
};
function changepic(imgurl,way,atturl,lang){
	var atturl = $("#atturl").val();
	var lang = $("#lang").val();
	$("#showpic").attr('src','image/home/loading.gif');
	$.get(imgurl,function(data){
		$(data).find("detail").each(function(){
			var goupid = $(this).find('goupid').text();
			var godownid = $(this).find('godownid').text();
			$("#goupid").val(goupid);
			$("#godownid").val(godownid);
			$("#way").val(way);
			
			var bigimg = $(this).find('bigimg').text();
			var id = $(this).find('id').text();
			var goupid = $(this).find('goupid').text();
			var godownid = $(this).find('godownid').text();
			if (lang == 'cn')
			{
			    var title = $(this).find('title').text();
				var content = $(this).find('content').text();
			}else
			{
				 var title = $(this).find('en_title').text();
				 var content = $(this).find('en_content').text();
			}
			
		    $("#title").text(title);
			$("#content").html(content);
			$("#showpic").attr('src',atturl+bigimg);
			//$(".selected").attr('class','');
			//$("#smallimg_"+id).attr("class","selected");
		});   
	});
}