function ChangePage()
{
	var re=/^\d+$/ig;
	var iNum=document.getElementById("pageNum").value;
	var pagecount=parseInt(document.getElementById("PageCount").innerText);
	if(re.test(iNum))
	{
		if(parseInt(iNum)>pagecount)
		{
			alert("Sorry,the number you enter is too large!");
			document.getElementById("pageNum").innerText=pagecount;
			document.getElementById("pageNum").focus();
		}
		else
			window.location=queryStr+iNum;
	}
	else
	{
		alert("Please enter a number!");
		document.getElementById("pageNum").focus();
	}
}

function EnterPage(evt)
{
	evt=window.event?window.event:evt;
	if(evt.keyCode==13)
	{
		ChangePage();
	}
}