function Regist_test()
{
var i,j,strTemp,UserNamestrTemp;

UserNamestrTemp = "-_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

if(Regist.username.value.length == 0)
{
alert("Please enter a valid username!") ;
Regist.username.focus() ;
return false;
}

for (i = 0;i < Regist.username.value.length; i++)
{
j = UserNamestrTemp.indexOf(Regist.username.value.charAt(i));
if (j == -1) {
alert("6-16 characters(A-Z,a-z,0-9,no space).") ;
Regist.username.focus() ;
return false;
}
}

for (i = 0;i < Regist.username.value.length; i++)
{
j = UserNamestrTemp.indexOf(Regist.username.value.charAt(i));
if (j == -1) {
alert("Please enter a valid username") ;
Regist.username.focus() ;
return false;
}
}

if(Regist.Password.length == 0)
{
alert("Please enter your password again") ;
Regist.Password.focus() ;
return false;
}
if(Regist.Password.value.length < 6)
{
alert("Re-enter your password to confirm.") ;
Regist.Password.focus() ;
return false;
}
if(Regist.Password2.value.length == 0)
{
alert("Please enter your password again!") ;
Regist.Password2.focus() ;
return false;
}
if(Regist.Password2.value != Regist.Password.value)
{
alert("Please enter your password again!") ;
Regist.Password.focus() ;
return false;
}

if(Regist.firstname.value.length == 0)
{
alert(" Please enter your name.") ;
Regist.firstname.focus() ;
return false;
}

strTemp = "-0123456789 ";


strTemp = "-_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.@ ";


if ( Regist.Email.value.length == 0)
{
alert(" A valid email address is required to complete registration.") ;
Regist.Email.focus() ;
return false;
}

if ((Regist.Email.value.indexOf("@") == -1) || (Regist.Email.value.indexOf(".") == -1)){
alert(" A valid email address is required to complete registration.");
Regist.Email.focus();
return false;
}


if(Regist.Tel_country.value.length == 0)
{
alert(" Please enter phone Number.!") ;
Regist.Tel_country.focus() ;
return false;
}
if(Regist.Tel_area.value.length == 0)
{
alert(" Please enter phone Number.!") ;
Regist.Tel_area.focus() ;
return false;
}
if(Regist.Tel_number.value.length == 0)
{
alert(" Please enter phone Number.!") ;
Regist.Tel_number.focus() ;
return false;
}

if(Regist.address.value.length <10)
{
alert(" Please enter Address.") ;
Regist.address.focus() ;
return false;
}

return true;
};