// GMG 

function submitform() 
{
	if  (document.sub_form.email_addr.value=='')
	{
		alert("This email address is not valid");
	}
	else if (document.sub_form.op.checked == false )
   	{
   		alert("You must Agree to the terms & agreements");
   	}
	else 
	{
		if ( ((document.sub_form.email_addr.value.indexOf('@',1))==-1)||(document.sub_form.email_addr.value.indexOf('.',1))==-1 )
			alert("This email address is not valid");

		else 
		{
				window.open("", "formPopup", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,height=200,width=500,toolbar=no", true); 
				document.sub_form.target='formPopup';
				document.sub_form.submit();
		}
	}
}