function win(box)
{
str="popup.php?"  + box;

window.open(str,"Allot","top=5,left=30,toolbars=no,maximize=yes,resize=yes,width=550,height=450,location=no,directories=no,scrollbars=yes");
return false;
}

function emailCheck (emailStr)
{
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) 
	{
		alert("Please verify Email Address (check @ and .'s)");
		document.form_sub.sbemail_id.select();
		document.form_sub.sbemail_id.focus();
		return(false);
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) 
	{
    	alert("Please Specify a valid username in Email Address!");
    	return(false);
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) 
	{
    // this is an IP address
	  	for (var i=1;i<=4;i++) 
		{
	    	if (IPArray[i]>255) 
			{
	        	alert("Destination IP address is invalid!");
				return(false);
	    	}
    	}
    	return(true);
	}
	var domainArray=domain.match(domainPat);
	if (domainArray==null) 
	{
		alert("Please Specify a valid domain name!");
    	return(false);
	}
	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4)
	{
   		alert("The address must end in a valid domain, or two letter country.");
   		return(false);
	}
	if (len<2) 
	{
   		var errStr="This address is missing a hostname!";
   		alert(errStr);
   		return(false);
	}
	return true;
}

function validate_signup()
{
	if(document.form_sub.sbemail_id.value=='')
	{
		alert("Please Specify Email Address!");
		document.form_sub.sbemail_id.focus();
		return(false);
	}
	else if(document.form_sub.sbemail_id.value.match(/[&;<>]+/))
	{
		alert("Please remove Invalid characters from Email Address (e.g. & ; < >)");
		document.form_sub.sbemail_id.select();
		document.form_sub.sbemail_id.focus();
		return(false);
	}
	else
	{
		//==============
		if(!document.form_sub.sbemail_id.value.match(/[a-zA-Z\.\@\d\_]/)) 
		{
       		alert('Please Specify a valid Email Address.');
			document.form_sub.sbemail_id.select();
			document.form_sub.sbemail_id.focus();
        	return false;
       	}
		if (!emailCheck (document.form_sub.sbemail_id.value) )
		{
			document.form_sub.sbemail_id.select();
			document.form_sub.sbemail_id.focus();
			return (false);
		}
	}	//=================
	return (true);
}

function validate()
{
	if(document.form2.username.value=='')
	{
		alert("Please Specify Username!");
		document.form2.username.focus();
		return(false);
	}
	if(document.form2.userpwd.value=='')
	{
		alert("Please Specify Password!");
		document.form2.userpwd.focus();
		return(false);
	}	
	return (true);
}