var address;

var button;

var results;

var xml_object;

var browser = navigator.appName;

function xml_handler () {

	if(browser == "Microsoft Internet Explorer"){
		
		xml_object = new ActiveXObject("Microsoft.XMLHTTP");
		
	} else {
		
		xml_object = new XMLHttpRequest();
		
	}
	
	return xml_object;
}

function launch (div, url) {
	
	var div = document.getElementById(div);
			
	var xml = xml_handler();
			
	xml.open('get', url);
			
		xml.onreadystatechange = function () {
					
			if (xml.readyState == 4) {
						
				div.innerHTML = xml.responseText;
						
			} else {
						
				div.innerHTML = 'Loading…';	
						
			}
					
		}
			
	xml.send(null);
}

window.onload = function() {

	address = document.getElementById('url').value;
	
	button = document.getElementById('button');
	
		button.onclick = function() {
		
			if(address.length < 3) {
				
				alert('Please enter a valid Address.');
				
			} else {
			
				launch('results', 'parse_information.php?url=' + address);
			
			}
		
		}
	
}