//检查登陆
function checklogin()
{
	var username=document.getElementById("username").value;
	var password=document.getElementById("password").value;
	var codestr=document.getElementById("codestr").value;
	var loginForm=document.getElementById("frmlogin");
	if (username=="")
	{
		alert("用户名不能为空!");
		return false;
	}
	if (password=="")
	{
		alert("密码不能为空!");
		return false;
	}
	if (codestr=="")
	{
		alert("验证码不能为空!");
		return false;
	}
	loginForm.action="/login/login.asp";
	loginform.submit();
}
//注册调用
function reg()
{
	loginForm.action="reg.asp";
	loginform.submit();
}
//加入收藏
function myAddPanel(title,url,desc) 
{ 
	if ((typeof window.sidebar == 'object') && (typeof window.sidebar.addPanel == 'function'))
		//Gecko
		{ 
		window.sidebar.addPanel(title,url,desc); 
		} 
	else
		//IE 
		{ 
		window.external.AddFavorite(url,title); 
		}
} 

//设为首页的兼容代码IE和FF
function SetHome(obj,vrl){
try{
		obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
	}
catch(e){
		if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
                        }  
                        catch (e)  { 
                                alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'");  
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
}


function checkenword(myint) {
		var checkStr = myint;
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++){
			ch = checkStr.charCodeAt(i);
			if (ch > 256 && !isOkChar(ch)){      
				allValid = false;
				break;
			}
		}
		if (!allValid){
			return (false);
		}
		return (true);
}

//检查搜索关键词
function checksearch()
{
	var word=document.searchForm.keywords.value;
	if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入')
	{
		alert('请输入您要查询的信息内容！');
		document.searchForm.keywords.value="";
		document.searchForm.keywords.focus();
		return false;
	}
}