function isEmpty(s){
	return (s==null || s.length==0)
}

function isWhitespace(s){
	var i;
	var whitespace;
	
	whitespace=" \t\n\r";
	for(i=0; i<s.length; i++)   
		if(whitespace.indexOf(s.charAt(i))==-1) return false;
	
    return true;
}

function isEmail(s){
    if (isWhitespace(s)) return false;
    var i = 1;
    var sLength = s.length;
    while (i<sLength && s.charAt(i) != "@")
    	i++;

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;
    while ((i < sLength) && (s.charAt(i) != "."))
    	i++;
    
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

function searchNews(frm)
{
	loc = "index.php?srcDataNews=" + $F('newsMonth') + "-" + $F('newsYear');
	window.location = loc;
}