function hasData( value ) {
	return !((value == null) || (value == ""));
}

var uc = "qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM1234567890_";

function isUsername(username) {
	for (inx = 0; inx < username.length; inx++) {
		if (uc.indexOf(username[inx]) == -1) {
			return false;
		}		
	}
	return true;
}

var pc = "qwertzuiopasdfghjklyxcvbnmQWERTZUIOPASDFGHJKLYXCVBNM1234567890";

function isPassword(passw) {
	for (inx = 0; inx < passw.length; inx++) {
		if (pc.indexOf(passw.substring(inx, inx+1)) == -1) {
			return false;
		}		
	}
	return true;
}



function isEmail(email) {
	var myEMailIsValid = true;
	var myAtSymbolAt = email.indexOf('@');
	var myLastDotAt = email.lastIndexOf('.');
	var mySpaceAt = email.indexOf(' ');
	var myLength = email.length;
	
	if (myAtSymbolAt < 1 ) 
	{myEMailIsValid = false}
	
	if (myLastDotAt < myAtSymbolAt) 
	{myEMailIsValid = false}
	
	if (myLength - myLastDotAt <= 2) 
	{myEMailIsValid = false}
	
	if (mySpaceAt != -1) 
	{myEMailIsValid = false}
	
	return myEMailIsValid;
}