var CharSpecial = "01234567890ZXCVBNMASDFGHJKLQWERTYUIOP-_@.,";
function Ctrlgoodchar(svalue){	
	var i;
	var key;
	var ok = true;
	for (i=0;i<svalue.length;i++) {
		key = svalue.substr(i,1); 
		ok= ok &&  (CharSpecial.indexOf(key.toUpperCase())!=-1);
	}
	return ok;
}

