String.prototype.trim=function(){return this.replace(/^\s+|\s+$/ig, "");};
function checkForm(){
	if($("#username").val().trim().length==0){
		alert('提示：请输入'+$("#logType option:selected").text()+'！');
		$("#username").focus();
		return false;
	}else if($("#password").val().trim().length==0){
		alert('提示：请输入密码！');
		$("#password").focus();
		return false;
	}
	var retUrl='';
	if($("#retUrl").length>0) retUrl=$("#retUrl").val();
	document.location="/default.aspx?tabId=412&logType="+$("#logType option:selected").val()+"&username="+escape($("#username").val())+"&password="+escape($("#password").val())+"&retUrl="+retUrl;
	return false;
}

function getDate(){
	var d = new Date();
	var timestr = d.getYear()+"年"+(d.getMonth()+1)+"月"+d.getDate()+"日";
	var xq=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
	timestr = " " + timestr + " "+xq[d.getDay()];
	return timestr;
}

$(function(){
	//导航变色
	$("#daohang i").hover(function(){
		if(this.className!="t7" && this.className!="c" ){
			var els=this.getElementsByTagName("div");			
			els[0].className="t1";els[1].className="t2 dh";els[2].className="t3";
		}
	}, function(){
		if(this.className!="t7" && this.className!="c" ){
			var els=this.getElementsByTagName("div");
			els[0].className="t4";els[1].className="t5 dh2";els[2].className="t6";
		}
	});
});