function strtrim() {
    //Match spaces at beginning and end of text and replace
    //with null strings
    return this.replace(/^\s+/,'').replace(/\s+$/,'');
}

String.prototype.trim = strtrim;

function validateGetEmail(xxx){
	var errString = "";
	with (xxx) {
       
	   	var re1 = /^.*[@].*[\.].*$/
		if (epost.value.trim() == "")
			errString += "\n\t - Email cannot be blank";
		else if (!re1.test(epost.value))
			errString += "\n\t - Email is invalid";
	}
		
	if (errString != "") {
		alert("The following errors have occurred:\n" + errString);
		return false;
	}
	return true;
}

function validateEmailUs(xxx){
	var errString = "";
	with (xxx) {
       
	   	var re1 = /^.*[@].*[\.].*$/
		if (tbName.value.trim() == "")
			errString += "\n\t - Name cannot be blank";
		if (tbPhone.value.trim() == "")
			errString += "\n\t - Phone cannot be blank";
		if (tbComments.value.trim() == "")
			errString += "\n\t - Comments cannot be blank";
		if (tbEmail.value.trim() == "")
			errString += "\n\t - Email cannot be blank";
		else if (!re1.test(tbEmail.value))
			errString += "\n\t - Email is invalid";
	}
		
	if (errString != "") {
		alert("The following errors have occurred:\n" + errString);
		return false;
	}
	return true;
}