(function($){

	var selects=$('select');//获取select

	for(var i=0;i<selects.length;i++){
		createselect(selects[i],i);
	}

	function createselect(select_container,index){

		//创建select容器，class为select_box，插入到select标签前
		var tag_select=$('<div></div>');//div相当于select标签
		tag_select.attr('class','select_box');
		tag_select.insertbefore(select_container);

		//显示框class为select_showbox,插入到创建的tag_select中
		var select_showbox=$('<div></div>');//显示框
		select_showbox.css('cursor','pointer').attr('class','select_showbox').appendto(tag_select);

		//创建option容器，class为select_option，插入到创建的tag_select中
		var ul_option=$('<ul></ul>');//创建option列表
		ul_option.attr('class','select_option');
		ul_option.appendto(tag_select);
		createoptions(index,ul_option);//创建option

		//点击显示框
		tag_select.toggle(function(){
			ul_option.show();
			ul_option.parent().find(".select_showbox").addclass("active");
		},function(){
			ul_option.hide();
			ul_option.parent().find(".select_showbox").removeclass("active");
		});

		var li_option=ul_option.find('li');
		li_option.on('click',function(){
			$(this).addclass('selected').siblings().removeclass('selected');
			var value=$(this).text();
			select_showbox.text(value);
			ul_option.hide();
		});

		li_option.hover(function(){
			$(this).addclass('hover').siblings().removeclass('hover');	
		},function(){
			li_option.removeclass('hover');
		});

	}

	function createoptions(index,ul_list){
		//获取被选中的元素并将其值赋值到显示框中
		var options=selects.eq(index).find('option'),
			selected_option=options.filter(':selected'),
			selected_index=selected_option.index(),
			showbox=ul_list.prev();
			showbox.text(selected_option.text());
		
		//为每个option建立个li并赋值
		for(var n=0;n<options.length;n++){
			var x=$("#choose").children("option")[n].value;
			var tag_option=$('<li data_type="'+x+'"></li>'),//li相当于option
				txt_option=options.eq(n).text();

			tag_option.text(txt_option).appendto(ul_list);

			//为被选中的元素添加class为selected
			if(n==selected_index){
				tag_option.attr('class','selected');
			}
		}
	}

})(jquery)

/*上一页 power by sly 2015-10-30*/
function prev_pages_num(){
	var i = $('#pages_num').val();
	i = i-1 > 0 ? i-1 : 1;
	$('#pages_num').val(i);
}
/*下一页 power by sly 2015-10-30*/
function next_pages_num(){
	var i = $('#pages_num').val(); 
	var h = $('span#total_page').text();
	if (i+1 <=h) {
		i++;
	}else{
		i = h;
	}
	$('#pages_num').val(i);
}
/*跳转到指定页*/
function goto_pages_url(){
	var i = $('#pages_num').val();
	var url = $('#pages_url').val();
	var h = $('span#total_page').text();
	if (i<1) {
		i=1;
	};
	if (i > number(h)) {
		i=h;
	};
	url = url.replace(/\[p\]/g, i);
	location.href=url;
}