var xmlHttp
 
function ajaxPricing(action,value) {

	xmlHttp=GetXmlHttpObject();
	
	if (xmlHttp==null) {
  	alert ("Your browser does not support AJAX!");
  	return;
  	}
	
	
	var url="ajaxPricing.php?";
	url=url+'action='+action;
	url=url+'&value='+value;


	
		xmlHttp.onreadystatechange=stateChanged;
	
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}



function stateChanged() {
	if (xmlHttp.readyState==4) {
		var showContent = document.getElementById("ajaxPricing");
		showContent.innerHTML = xmlHttp.responseText;
	}
	
	if (xmlHttp.readyState==1) {
		//var divH = document.getElementById('ajaxPricing').clientHeight;
		//var divW = document.getElementById('ajaxPricing').clientWidth;
		//var imgMargin = document.getElementById('ajaxPricing').clientHeight / 2;
		//document.getElementById("ajaxLoading").innerHTML='<div style="margin:-'+divH+'px 0 0 0; height:'+divH+'px; width:'+divW+'px; position:absolute;"><img src="images/gif/ajax-loader.gif" style="margin:'+imgMargin+'px 0 0 0; zindex:100"><div>';
		var showLoading = document.getElementById("ajaxLoading");
		showLoading.innerHTML ='<img src="images/gif/ajax-loader.gif">';
	}
	
}

 
function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
  		xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
  		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
window.onload = ajaxPricing(false,false);