<!--

// Trims the leading and trailing blanks from a given string:
function Trim(strToTrim) {
	while(strToTrim.charAt(0)==' '){strToTrim = strToTrim.substring(1,strToTrim.length);}
	while(strToTrim.charAt(strToTrim.length-1)==' '){strToTrim = strToTrim.substring(0,strToTrim.length-1);}
	return strToTrim;
}

// Validate an e-mail address:
function ValidateEmail(str){
	if (str.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) return true;
	else return false; 
}

// Allows only letters, numbers and underscore:
function ChkIllegalChars(str){
	var illegalChars = /\W/;
	if (illegalChars.test(str)) return false;
	else return true;
}

//-->