function makeFriendly(e){
	var unicode=e.charCode? e.charCode : e.keyCode
	if ((unicode<48||unicode>57) && (unicode<65||unicode>90) && (unicode<97||unicode>122)) {
		return false
	}
}
function checkUsernameUnique() {
	var i = document.userAccountForm.elements['id'].value;
	var u = document.userAccountForm.elements['username'].value;
	var spanTextarea = 'unique_username';
	var url = '/myaccount/verify_username_unique.php';
	var pars = 'i='+i+'&u='+u;
	var myAjax = new Ajax.Updater(spanTextarea, url, { method: 'get', parameters: pars });
}
function focusInput(theId,theContent) {
	if (theId.value == theContent) {
		theId.value = '';
	}
}
function blurInput(theId,theContent) {
	if (theId.value == '') {
		theId.value = theContent;
	}
}