var iframeMessages = function(e) {
	if(e.origin == "http://wazala.com" || e.origin == "http://www.wazala.com" || 
  	   e.origin == "https://wazala.com" || e.origin == "https://www.wazala.com") {  				
  		var msg;
  		eval("msg = " + e.data+";");

		if(msg.act == "init" || msg.act== "updatemwdg") {
			/// msg.txt contains the cart total
			alert(msg.txt);
		}
	}
}

if (window.addEventListener) {  // Firefox, Opera and Safari
	window.addEventListener ("message", iframeMessages, false);
}
else {
	if (window.attachEvent) {   // Internet Explorer
		window.attachEvent("onmessage", iframeMessages);
	}
}