// JavaScript Document
//functions.js
//Create a boolean variable to check for a valid Internet Explorer instance.
var xmlhttp = false;
//Check if we are using IE.
try {
//If the javascript version is greater than 5.
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
//If not, then use the older active x object.
try {
//If we are using IE.
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
//Else we must be using a non-IE browser.
xmlhttp = false;
}
}
//If we are using a non-IE browser, create a javascript instance of the object.
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
//Function to run a word grabber script.
function signup (theelement){
	//If there is nothing in the box, run Ajax to populate it.
	if (document.getElementById(theelement).innerHTML.length != 0){
		//Change the background color.
		document.getElementById(theelement).style.background = "#CCCCCC";
		var obj = document.getElementById(theelement);
		serverPage = "../newsletter/index.php?email=" + obj.value;
		xmlhttp.open("POST", serverPage);
		xmlhttp.onreadystatechange = function() {
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			obj.innerHTML = xmlhttp.responseText;
		}
	}
		xmlhttp.send(null);
	} else {
		//Change the background color.
		document.getElementById(theelement).style.background = "#FFFFFF";
		//If the box is already populated, clear it.
		document.getElementById(theelement).innerHTML = "";
	}
}