function divshow(){
    document.getElementById('saastxt').style.display='block';	 
}
function divhide(){
    document.getElementById('saastxt').style.display='none';
}


//去空格
function Jtrim(str){
	var i = 0;
	var len = str.length;
	if ( str == "" ) return( str );
	j = len -1;
	flagbegin = true;
	flagend = true;
	while (( flagbegin == true) && (i< len)){
	   if ( str.charAt(i) == " " ){
			i=i+1;
			flagbegin=true;
		}else{
			flagbegin=false;
		}
	}

	while  ((flagend== true) && (j>=0)){
		if (str.charAt(j)==" "){
			j=j-1;
			flagend=true;
		}else{
			flagend=false;
		}
	}

	if ( i > j ) return ("");

	trimstr = str.substring(i,j+1);
	return trimstr;
}

//正则检查
function chkRegExp (objid, errid, outputStr, regType){
	var objValue = Jtrim(document.getElementById(objid).value);
	var errID = document.getElementById(errid);
	var pattern;
	switch (regType){
		case 1://检查邮件地址
			pattern = /^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
			break
		case 2://检查登录名,只能输入2-20个以字母开头、可带数字、“_”、“.”的字串
			pattern = /^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){1,19}$/;
			break
		case 3://检查必须为数字
			pattern = /^[0-9]{1,20}$/;
			break
		case 4://检查手机号
			pattern = /^(\d){11}$/;
			break
		case 5://检查座机号 /^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/
			pattern = /^(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
			break
		case 6://检查必须为数字可带小数点、负号
			pattern = /^([0-9]|[.-]){1,10}$/;
			break
                case 7://检查密码格式，字母数字6-20位
                        pattern = /^[a-zA-Z0-9]{5,19}$/;
                        break;
	}
	flag = pattern.test(objValue);
     if(flag){
		errID.innerHTML = "";
		return 1;
	}else {
		errID.innerHTML = outputStr;
		return 0;
	}
}

//检查不为空
function chkNotNull(objid, errid, outputStr){
	var objValue = Jtrim(document.getElementById(objid).value);
	var errID = document.getElementById(errid);
	if(objValue==""){
		errID.innerHTML = outputStr;
		return 0;
	}else{
		errID.innerHTML = "";
		return 1;
	}
}

//检查是否一致
function chkComparison(objid, targetid, errid, outputStr){
	var objValue = Jtrim(document.getElementById(objid).value);
	var targetValue = Jtrim(document.getElementById(targetid).value);
	var errID = document.getElementById(errid);
	if(objValue != targetValue){
		errID.innerHTML = outputStr;
		return 0;
	}else{
		errID.innerHTML = "";
		return 1;
	}
}

//检查复选框不为空
function chkCheckBox(objid, errid, outputStr){
	var obj = document.getElementsByName(objid);
	var errID = document.getElementById(errid);
	var len = obj.length;
	for(var i=0;i<len;i++){
		if(obj[i].checked==true){
			errID.innerHTML = "";
			return 1;
		}
	}
	errID.innerHTML = outputStr;
	return 0;
}

function chklogin(){	
	var chkCode = new Array(); 
	chkCode.push(chkRegExp("logmail", "cklogmail", "请输入", 1));
	chkCode.push(chkNotNull("logpass", "cklogpass", "请输入"));
	for (var i in chkCode) if(chkCode[i] == 0) return false;
	document.getElementById("loin2").disabled = true;
	return true;
}
function chkregstep1(){
	var chkCode = new Array(); 
	chkCode.push(chkRegExp("regmail", "ckmail", "请填写正确的邮箱地址", 1));
	chkCode.push(chkNotNull("regname", "ckname", "请输入您的真实姓名"));
	chkCode.push(chkNotNull("regpwd", "ckpwd", "请输入您的密码"));
        chkCode.push(chkRegExp("regpwd","ckpwd","请输入密码为6-20位字母和数字组合",7));
	chkCode.push(chkNotNull("regrepwd", "ckrepwd", "请输入确认密码"));
        chkCode.push(chkRegExp("regrepwd","ckrepwd","请输入重复密码为6-20位字母和数字组合",7));
	if (chkCode[chkCode.length-2] == 1 && chkCode[chkCode.length-1] == 1) chkCode.push(chkComparison("regrepwd", "regpwd", "ckpwd", "两次密码输入不一致"));
	for (var i in chkCode) if(chkCode[i] == 0) return false;
	document.getElementById("qrin").disabled = true;
	return true;
}
function chksaas(){
	var chkCode = new Array(); 
	chkCode.push(chkNotNull("yname", "ckname", "请输入您的姓名"));
	chkCode.push(chkNotNull("ycom", "ckcom", "请输入所属公司"));
	chkCode.push(chkNotNull("yjob", "ckjob", "请输入您的职位"));
	chkCode.push(chkRegExp("ytel", "cktel", "请填写正确的联系电话", 5));
	chkCode.push(chkRegExp("ymail", "ckmail", "请填写正确的邮箱地址", 1));
	for (var i in chkCode) if(chkCode[i] == 0) return false;
	document.getElementById("qrin").disabled = true;
	return true;
}