var defID="0";
var defaultNavID="0";
function navHover(id){
	if(id != defID)
	{
		$("#nav_"+defID).removeClass("active");
		$("#nav_"+id).addClass("active");
		$("#subnav_"+defID).addClass("hidden");
		$("#subnav_"+id).removeClass("hidden");
		defID=id;
	}
}
function setDefaultNav(id)
{
	defaultNavID=id;
	navHover(id);
}
//调整字体大小
function ChangeFontSize(id,size)
{
    $('#' + id+" p,td").css("font-size", size + 'px');
}

function GetSearch(id)
{
	var key=$("#"+id).val();
	if(key =="" || key=="Search" || key=="search")
	{
		alert("请输入搜索关键字！");
		$("#"+id).focus();
		return false;
	}
	else
	{
		window.location.href='/Search.aspx?key='+escape(key);
		return false;
	}
}
//刷新验证码
function ChangeValidateCode()
{
	$('#validatecode').attr( 'src','/images/common/validatecode.aspx?rnd=' + Math.random());
}