// JavaScript Document

var XMLHttpRequestObject = false;
if (window.XMLHttpRequest){
	XMLHttpRequestObject = new XMLHttpRequest();
}else if(window.ActiveXObject){
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}

function calculateNow(whereto, divID, controlID1, controlID2)
{
	if(controlID1.value == "" || controlID2.value == "")
	{
		alert("Please enter both names!");
		return false;
	}
	
	if (XMLHttpRequestObject)
	{
		var obj = document.getElementById(divID);
		var variables = "name1=" + controlID1.value + "&name2=" + controlID2.value;
		//alert(variables);
		XMLHttpRequestObject.open("POST", whereto, true);
		XMLHttpRequestObject.setRequestHeader("Content-type",
"application/x-www-form-urlencoded")
		XMLHttpRequestObject.onreadystatechange = function()
		{
			if (XMLHttpRequestObject.readyState == 1)
			{
			}
			else if (XMLHttpRequestObject.readyState  == 4 && XMLHttpRequestObject.status == 200)
			{
				//alert(XMLHttpRequestObject.responseText);
				obj.innerHTML = "You and your partner have " + XMLHttpRequestObject.responseText + "% chances.";
				obj.style.display = 'block';
			}
		}
		XMLHttpRequestObject.send(variables);
	}
}