function checkspace(astr)

{
	bstr="";
	cd=astr.length;
	for(i=0;i<cd;i++)
 	{ 
		if(astr.charAt(" ")>=0)
    		{bstr=bstr+" ";}
 	}

	if(bstr==astr)
 	{
		return true;
	}
	else{
		return false;
	}
}


function checkemail(qemail)

{

	if(qemail.charAt(0)=="." ||qemail.charAt(0)=="@"||qemail.indexOf('@', 0) == -1 || qemail.indexOf('.', 0) == -1 || qemail.lastIndexOf("@")==qemail.value.length-1 || qemail.lastIndexOf(".")==qemail.value.length-1)
	return true;

 }


function checkForm() {

if(checkspace(form1.MUserName.value)){
    alert ("请输入用户名!");
   form1.MUserName.value="";
	form1.MUserName.focus();
	return false;
}
if(checkspace(form1.MPassword.value)){
    alert ("请输入密码!");
   form1.MPassword.value="";
	form1.MPassword.focus();
	return false;
}
if(checkspace(form1.MPassword2.value)){
    alert ("请输入确认密码!");
   form1.MPassword2.value="";
	form1.MPassword2.focus();
	return false;
}

if(form1.MPassword.value != form1.MPassword2.value){
    alert ("两次输入密码不相同!");
    form1.MPassword2.value="";
	form1.MPassword2.focus();
	return false;
}
if(checkspace(form1.MName.value)){
    alert ("请输入客户名称!");
   form1.MName.value="";
	form1.MName.focus();
	return false;
}
if(checkspace(form1.MPerson.value)){
    alert ("请输入联系人!");
   form1.MPerson.value="";
	form1.MPerson.focus();
	return false;
}
if(checkspace(form1.MTel.value)){
    alert ("请输入电话号码!");
   form1.MTel.value="";
	form1.MTel.focus();
	return false;
}
if(checkspace(form1.MMobel.value)){
    alert ("请输入手机号码!");
   form1.MMobel.value="";
	form1.MMobel.focus();
	return false;
}
form1.submit.disabled=true;
}