function CheckForm(){

		if(login.user_name.value==""){

		alert("请输入用户名");

		login.user_name.focus();

		return false;

		}

		if(login.password.value == ""){

		alert("请输入密码");

		login.password.focus();

		return false;

		}

	return true;

	}

	function CodeCookie(str){

		var strRtn="";

		for (var i=str.length-1;i>=0;i--) 

		{

		strRtn+=str.charCodeAt(i);

		if (i) strRtn+="O";

		}

		return strRtn;

		}

	function DecodeCookie(str){

		var strArr;

		var strRtn="";

		strArr=str.split("O");

		for (var i=strArr.length-1;i>=0;i--) 

		strRtn+=String.fromCharCode(eval(strArr[i]));

	return strRtn;

	}

	var status = '';

	function checkCookie(){

	var allcookie = document.cookie.split('; ');

	//	var isautologin = false;

	var islogon = false;

	for(var i=0;i<allcookie.length;i++){

		var cookiename = allcookie[i].split('=')[0];

		if(cookiename=='mop_logon'){

			islogon = true;

		}

		if(cookiename == 'mop_status'){

			var tmpString = unescape(allcookie[i].split('=')[1]);

			status = DecodeCookie(tmpString);

		}

	}

		if(islogon == true){

		return true;

	}else{

		return false;

	}

}

	function checkAutoCookie(){

		var allcookie = document.cookie.split('; ');

		var isautologin = false;

		for(var i=0;i<allcookie.length;i++){

		var cookiename = allcookie[i].split('=')[0];

		if(cookiename=='mop_auto_login'){

			isautologin = true;

		}

	}

		if(isautologin == true){

		return true;

		}else{

		return false;

		}

}

	function stab(h,p,obj){

	var imgbase="http://newspic.mop.com/mop/061023/"

	var tabg=document.getElementById(h)	

	var ti=tabg.getElementsByTagName("img")

	for (var i=0;i<ti.length;i++){

		n1=(ti[i].src).split("/")

		n2=n1.pop().split(".")[0].split("_")

		if (i==obj){	

			ti[i].src=imgbase+n2[0]+"_"+n2[1]+"_on"+".gif"

			sc=document.getElementById(p+i)

			sc.style.display='block'

		}

		else{

			ti[i].src=imgbase+n2[0]+"_"+n2[1]+"_off"+".gif"

			sc=document.getElementById(p+i)

			sc.style.display='none'

		}

	}

}

	function synchronizekey(str){

		searchfriends.name.value=str;

		searchdzh.key.value=str;

		searchblog.v.value=str;

		searchcommunity.condition.value=str;

}

function bookmark()

	{if (document.all)

	window.external.AddFavorite('http://www.ggdot.com/',"ggdot - 资源下载社区门户");

}