function ltrim(s){return s.replace(/^\s+/, "");}

function rtrim(s){return s.replace(/\s+$/, "");}

function trim(s){return rtrim(ltrim(s));}

function validateEmailAddress(strEmail){
	var regex = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(regex.test(strEmail) == false){
		//alert('Invalid email address. Please check');
		//field.focus();
		return false;
	}
	return true;
}