function httpRequest(where){
	var headTag = document.getElementsByTagName("head").item(0), iDoc = document.createElement("SCRIPT");
	try{
		iDoc.src = where;
		iDoc.type = "text/javascript";
		if(iDoc.charset) iDoc.charset = "utf-8";
		if(iDoc.defer) iDoc.defer = true;
		headTag.appendChild(iDoc);
	} catch(err) {
		alert("Your browser is not ajax compliant");
	}
}