jquery 排序table

var i = 0;

$(document).ready(myFunction);

function myFunction()
{
	$('<table id="table" width="100" height="100" border="1"></table>')
	.appendTo('body')
	.bind('click',myclick);
	
	$("#sortASC").click(function(){
		
		SortArray.array = $("#table tr");
		
		SortArray.sortAsc(0,$("#table tr").length-1);
		
		$("#table tr").detach();
		
		$.each(SortArray.array,function(){
			$("#table").append(this);
		})
	});
	
	$("#sortDESC").click(function(){
		
		SortArray.array = $("#table tr");
		
		SortArray.sortDesc(0,$("#table tr").length-1);
		
		$("#table tr").detach();
		
		$.each(SortArray.array,function(){
			$("#table").append(this);
		})
	});
}
function myclick(){
	$('<tr id="'+(i++)+'"><td>'+(i)+'</td></tr>')
	.appendTo($(this));
}

var SortArray={
	array:[],
	sortDesc:function(low,high){
		if(low<high){
		var middle = this.getMiddleDESC(low,high);
		this.sortDesc(0,middle -1);
		this.sortDesc(middle +1,high);
		}
	},
	sortAsc: function(low,high){
		if(low<high){
		var middle = this.getMiddleASC(low,high);
		this.sortAsc(0,middle -1);
		this.sortAsc(middle +1,high);
		}
	},
	getMiddleDESC:function(low,high){
		var temp = this.array[low]; 
		while(low<high){
		
			while(low<high && parseInt($(this.array[low]).attr("id")) > parseInt($(this.array[high]).attr("id"))){
				high--;
			}
			this.array[low] = this.array[high];
	
			while(low<high && parseInt($(this.array[low]).attr("id")) <= parseInt($(this.array[low]).attr("id"))){
				low++;
			}
			this.array[high] = this.array[low];
		}
		this.array[low] = temp;
		return low;
	},
	getMiddleASC: function(low,high){
		var temp = this.array[low]; 
		while(low<high){
		
			while(low<high && parseInt($(this.array[low]).attr("id")) < parseInt($(this.array[high]).attr("id"))){
				high--;
			}
			this.array[low] = this.array[high];
	
			while(low<high && parseInt($(this.array[low]).attr("id")) >= parseInt($(this.array[low]).attr("id"))){
				low++;
			}
			this.array[high] = this.array[low];
		}
		this.array[low] = temp;
		return low;
	}
}

<div class="clickme">Click here</div>
	<input id="sortASC" type="button" value="升序" />
	<input id="sortDESC"  type="button" value="降序" />