/**********************************
          GLOBAL VARIABLES
***********************************/

//////
//////

	var http_request = null;
	var http_eval_request = null;

	function docsAlertContents() {

		if ( http_request.readyState == 4 ) {
			if ( http_request.status == 200 ) {
				var result = http_request.responseText;
				if ( spanID.length > 0 ) {
					var recepticle = $(spanID);
					recepticle.innerHTML = result;
				}
				secondary_http_request_response(spanID,result);
			} else {
				clear_server_parameters();
				alert('There was a problem with the request.');
			}
		}
	}


	function docsAlertEvalContents() {
		if ( http_eval_request.readyState == 4 ) {
			if ( http_eval_request.status == 200 ) {
				var result = http_eval_request.responseText;
				eval(result);
			} else {
				alert('There was a problem with the evaluation.');
			}
		}
	}


	function makeDocRequest(urlNparameters) {
	
		http_request = null;

		try {
			if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
				http_request = new XMLHttpRequest();
				if ( http_request.overrideMimeType ) {
					http_request.overrideMimeType('text/xml');
				}
			} else if ( window.ActiveXObject ) { // IE
				try {
					http_request = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e) {
					try {
						http_request = new ActiveXObject("Microsoft.XMLHTTP");
					} catch (e) {}
				}
			}
		} catch (e) {}

		if ( http_request == null ) {
			alert('Cannot create XMLHTTP instance');
			return(false);
		} else {

			try {
				http_request.onreadystatechange = docsAlertContents;
				http_request.open('GET', urlNparameters, true);
				http_request.send(null);
			} catch (e) {
				clear_server_parameters();
				alert('There was trouble sending the request.' + '\n' + urlNparameters);
			}
		}
	}

	function makeDocEvalRequest(urlNparameters) {
	
		http_eval_request = null;

		if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
			http_eval_request = new XMLHttpRequest();
			if ( http_eval_request.overrideMimeType ) {
				http_eval_request.overrideMimeType('text/xml');
			}
		} else if ( window.ActiveXObject ) { // IE
			try {
				http_eval_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_eval_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}

		if ( http_eval_request == null ) {
			alert('Cannot create XMLHTTP instance');
			return(false);
		} else {
			try {
				http_eval_request.onreadystatechange = docsAlertEvalContents;
				http_eval_request.open('GET', urlNparameters, true);
				http_eval_request.send(null);
			} catch (e) {
				alert('There was trouble sending the request.' + '\n' + urlNparameters);
			}
		}
		
	}


	function makeDocEvalRequestSync(urlNparameters) {
	
		http_eval_request = null;

		if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
			http_eval_request = new XMLHttpRequest();
			if ( http_eval_request.overrideMimeType ) {
				http_eval_request.overrideMimeType('text/xml');
			}
		} else if ( window.ActiveXObject ) { // IE
			try {
				http_eval_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_eval_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}

		if ( http_eval_request == null ) {
			alert('Cannot create XMLHTTP instance');
			return(false);
		} else {
			try {
				http_eval_request.onreadystatechange = docsAlertEvalContents;
				http_eval_request.open('GET', urlNparameters, false);
				http_eval_request.send(null);
			} catch (e) {
				alert('There was trouble sending the request.' + '\n' + urlNparameters);
			}
		}
		
	}


	// XML Type of Request...

	var xml_http_request = false;
	var groupHandler = false;
	
	function makeXMLRequest(urlNparameters) {
		xml_http_request = false;

		if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
			xml_http_request = new XMLHttpRequest();
			if ( xml_http_request.overrideMimeType ) {
				xml_http_request.overrideMimeType('text/xml');
			}
		} else if (window.ActiveXObject) { // IE
			try {
				xml_http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					xml_http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) { }
			}
		}

		if ( !xml_http_request ) {
			alert('Cannot create XMLHTTP instance');
			return false;
		}
		
		if ( groupHandler ) {
			xml_http_request.onreadystatechange = groupHandler;
			xml_http_request.open('GET', urlNparameters, true);
			xml_http_request.send(null);
		} else {
			alert("No handler specified.");
		}

	}



	function makePOSTRequest(url, parameters) {
	
		http_request = null;

		if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
				http_request.overrideMimeType('text/xml');
			}
		} else if ( window.ActiveXObject ) { // IE
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
		//
		if ( http_request == null ) {
			alert('Cannot create XMLHTTP instance');
			return false;
		}

		http_request.onreadystatechange = docsAlertContents;
		http_request.open('POST', url, true);
		http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http_request.setRequestHeader("Content-length", parameters.length);
		http_request.setRequestHeader("Connection", "close");
		http_request.send(parameters);
	}



	function makePOSTEvalRequest(url, parameters) {
	
		http_request = null;

		if ( window.XMLHttpRequest ) { // Mozilla, Safari,...
			http_request = new XMLHttpRequest();
			if (http_request.overrideMimeType) {
				http_request.overrideMimeType('text/xml');
			}
		} else if ( window.ActiveXObject ) { // IE
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}
		//
		if ( http_request == null ) {
			alert('Cannot create XMLHTTP instance');
			return false;
		}

		http_request.onreadystatechange = docsAlertEvalContents;
		http_request.open('POST', url, true);
		http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http_request.setRequestHeader("Content-length", parameters.length);
		http_request.setRequestHeader("Connection", "close");
		http_request.send(parameters);
	}