function ajax() {
	var x;
	if(window.XMLHttpRequest) {
		x = new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		x = new ActiveXObject("Microsoft.XMLHTTP");  
	} else {
		alert("Wow your browser is old!");
		x = null;
	} 
	return x;
	
}

function emailVal() {
	var addr = document.getElementById("email").value;
	var at = addr.indexOf("@");
	var dat = addr.lastIndexOf("@");
	var point = addr.indexOf(".",at);

	if((at != -1) && (point > at) && (dat == at)) {
		return true;
	} else {
		return false;
	}

	
}