function isValidEmailAddress(emailAddress) {
	var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
	return pattern.test(emailAddress);
}

function isNumeric(form_value) 
{ 
    if (form_value.match(/^\d+$/) == null) 
        return false; 
    else 
        return true; 
} 

function replaceQuestionMark(string) {
	var sArray = string.split("?");
	var nString = sArray[0]+"?"+sArray[1];	
	if (sArray.length>2) {		
		for(i = 2; i < sArray.length; i++) {
			nString += "&"+sArray[i];
		}
	}
	return nString;
}