//验证值是否有效
function fValue(obj){
	if(obj.value == ""){
		obj.focus();
		return false;
	}else{
		return true;
	}
}
//验证email地址
function fEmail(obj){
	var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
	if(obj.value != "" && !(pattern.exec(obj.value))){
		obj.focus();
		return false;
	}else{
		return true;
	}
}

//验证url地址
function fUrl(obj){
	var pattern = /((http|ftp):\/\/)(((([\d]+\.)+){3}[\d]+(\/[\w.\/]+)?)|([a-z]\w*((\.\w+)+){2,})([\/][\w.~]*)*)/;
	if(obj.value != "" && !(pattern.exec(obj.value))){
		obj.focus();	
		return false;
	}else{
		return true;
	}
}

//删除确定
function fConfirm(url){
	if(confirm("确定删除，不可恢复。")){
		self.location=url;
	}
}

//登陆验证
function fLogin(oForm){
	if (!fValue(oForm.username)){
		alert("请输入用户名");
		return false;
	}
	if (!fValue(oForm.password)){
		alert("请输入密码");
		return false;
	}
	if (!fValue(oForm.check)){
		alert("请输入验证码");
		return false;
	}
	return true;
}
//新闻类型验证
function fKind(oForm){
	if (!fValue(oForm.title)){
		alert("请输入标题");
		return (false);
	}
	return true;
}


function fExpland(i){
	var sId = "lookbar"+i;
	var obj = document.getElementById(sId);
	var sDsp = obj.style.display;
	obj.style.display = (sDsp == "none") ? "block":"none";
}

//验证新闻
function fNews(oForm)
{
	if (!fValue(oForm.title)){
		alert("请输入标题");
		return false;
	}
	if (!fValue(oForm.prefix)){
		alert("请输入前缀");
		return false;
	}
	if (!fValue(oForm.content)){
		alert("请输入正文");
		return false;
	}
	return true;
}
//验证host
function fHost(oForm)
{
	if (!fValue(oForm.username)){
		alert("请输入名称");
		return false;
	}
	if (!fValue(oForm.password)){
		alert("请输入密码");
		return false;
	}

	if(!fEmail(oForm.email)){
		alert("不是合法的E-Mail 地址，请重新输入！");
		return false;
	}
	return true;
}
function fBbs(oForm){
	if (!fValue(oForm.guestname)){
		alert("请输入名称");
		return false;
	}
	if(!fEmail(oForm.email)){
		alert("不是合法的E-Mail 地址，请重新输入！");
		return false;
	}
	try{
		if (!fValue(oForm.getcode)){
			alert("请输入验证码");
			return false;
		}
	}catch(e){}
	if (!fValue(oForm.content)){
		alert("请输入内容");
		return false;
	}
	return true;
}

function fLink(oForm){
	if (!fValue(oForm.title)){
		alert("请输入名称");
		return false;
	}/*
	if(!fValue(oForm.logo)||!fUrl(oForm.logo)){
		alert("不是合法的logo地址");
		return false;
	}*/

	if (!fValue(oForm.url)||!fUrl(oForm.url)){
		alert("不是合法的链接地址");
		return false;
	}
	return true;
}
function fProduct(oForm){
	if (!fValue(oForm.title)){
		alert("请输入名称");
		return false;
	}
	if (!fValue(oForm.content)){
		alert("请输入介绍");
		return false;
	}
	return true;
}

function fUpload(sType,str){
	if(sType == "init"){
		var oUpload = window.open("upload.asp?action=add&imgId="+str, "upload","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width=400,height=300");
		window.imgId = str;
	}else if(sType == "wrong" && window.opener){
		window.close();
	}else if(sType =="success" && window.opener){
		var win = window.opener;
		if(win.imgId=="content"){
			win.document.getElementById("content").value = win.document.getElementById("content").value + "[img]"+str+"[/img]";
		}else if(window.opener.imgId=="link"){
			win.document.getElementById("logo").value = str;
		}else if(window.opener.imgId=="product"){
			win.document.getElementById("photo").value = str;
		}
		window.close();
	}
}
function fPreView(oForm){
	var sUrl = oForm.action;
	var sTarget = "_self";
	oForm.action="preview.asp";
	oForm.target="_blank";
	oForm.submit();
	oForm.action = sUrl;
	oForm.target = sTarget;
}
function fSql(oForm){
	if (!fValue(oForm.sql)){
		alert("请输入sql语句");
		return false;
	}
}
function fConfirmSql(){
	return confirm("是否执行当前操作？");
}