function showUserNameAvailabilty(idField, resultRegion) {
	//check to see that a username is entered
	var rand_no = Math.random();
	//alert(rand_no);

	if ( getValue(idField) === '' ) {
		alert('Please enter an email address to check against.');
		return;
	}
	var baseAddress = "/DoesUserExist";
	var data = "userName=" + getValue(idField);
	var address = baseAddress + "?" + rand_no + "&" + data;
	ajaxResult(address, resultRegion);
}

function test(){
 
 alert("Hello Test");
}