function isNumeric(strString){
	var strValidChars = "0123456789";
	var strChar;
	var blnResult = true;

	if (strString.length == 0) return false;

	//  test strString consists of valid characters listed above
	for (i = 0; i < strString.length && blnResult == true; i++){
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1){
		 blnResult = false;
		}
	}
	return blnResult;
}

function validateEmail(flEmail){
	if(flEmail){
		var emailFilter = /^.+@.+\..{2,4}$/;
		if(!(emailFilter.test(flEmail))){
			alert("Please enter a valid e-mail address (e.g., user@domain.com).");
			return false;
		}else{
			var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/;
			if(flEmail.match(illegalChars)){
				alert("The e-mail address contains illegal characters.  Please enter a valid e-mail address (e.g., user@domain.com).");
				return false;
			}		
		}
		return true;
	}else{
		return false;
	}
}

//<![CDATA[
var cot_loc0=(window.location.protocol == "https:")? "https://secure.comodo.net/trustlogo/javascript/cot.js" :
"http://www.trustlogo.com/trustlogo/javascript/cot.js";
document.writeln('<scr' + 'ipt language="JavaScript" src="'+cot_loc0+'" type="text\/javascript">' + '<\/scr' + 'ipt>');
//]]>