/* The following function creates an XMLHttpRequest object... */
function createRequestObject(){
	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	if(browser == "Microsoft Internet Explorer"){
		/* Create the object using MSIE's method */
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		/* Create the object using other browser's method */
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}

/* You can get more specific with version information by using 
	parseInt(navigator.appVersion)
	Which will extract an integer value containing the version 
	of the browser being used.
*/

/* The variable http will hold our new XMLHttpRequest object. */
var http = createRequestObject();
var http2 = createRequestObject(); 

/* Function called to get the product categories list */
function getImage(id,path, clasificacion){

		//alert(id);
	/* Create the request. The first argument to the open function is the method (POST/GET),
		and the second argument is the url... 
		document contains references to all items on the page
		We can reference document.form_category_select.select_category_select and we will
		be referencing the dropdown list. The selectedIndex property will give us the 
		index of the selected item. 
	*/

	http.open('get', path+'/pages/ajax/givmeImage.php?id=' + id +'&clasificacion=' + clasificacion);
	/* Define a function to call once a response has been received. This will be our
		handleProductCategories function that we define below. */
	http.onreadystatechange = handleTracks; 
	/* Send the data. We use something other than null when we are sending using the POST
		method. */
	http.send(null);
}


/* Function called to handle the list that was returned from the internal_request.php file.. */
function handleTracks(){
	/* Make sure that the transaction has finished. The XMLHttpRequest object 
		has a property called readyState with several states:
		0: Uninitialized
		1: Loading
		2: Loaded
		3: Interactive
		4: Finished */
	if(http.readyState == 4){ //Finished loading the response
		/* We have got the response from the server-side script,
			let's see just what it was. using the responseText property of 
			the XMLHttpRequest object. */
		var response = http.responseText;
		
	
		/* And now we want to change the product_categories <div> content.
			we do this using an ability to get/change the content of a page element 
			that we can find: innerHTML. */
		document.getElementById('imagen').innerHTML = response;
	}
	else
	{
		document.getElementById('imagen').innerHTML = '<img src="/generados/fotos_galeria/defecto_galeria.gif"  width="450" height="265" hspace="10" vspace="5" border="0">';
	}
}

function getImages(id, id2, pages, path, clasificacion){

	//alert("sdfsdf");
	/* Create the request. The first argument to the open function is the method (POST/GET),
		and the second argument is the url... 
		document contains references to all items on the page
		We can reference document.form_category_select.select_category_select and we will
		be referencing the dropdown list. The selectedIndex property will give us the 
		index of the selected item. 
	*/


	for (var i=0; i<pages; i++)
	{
		document.getElementById(i).className = "link2";	
	}
	document.getElementById(id).className = "link3";
	
	http2.open('get',  path+'/pages/ajax/givmeImages.php?id=' + id +'&clasificacion=' + clasificacion);
	/* Define a function to call once a response has been received. This will be our
		handleProductCategories function that we define below. */
	http2.onreadystatechange = handleTracks_Images; 
	/* Send the data. We use something other than null when we are sending using the POST
		method. */
	http2.send(null);
	getImage(id2,path, clasificacion);
}


/* Function called to handle the list that was returned from the internal_request.php file.. */
function handleTracks_Images(){
	/* Make sure that the transaction has finished. The XMLHttpRequest object 
		has a property called readyState with several states:
		0: Uninitialized
		1: Loading
		2: Loaded
		3: Interactive
		4: Finished */
	if(http2.readyState == 4){ //Finished loading the response
		/* We have got the response from the server-side script,
			let's see just what it was. using the responseText property of 
			the XMLHttpRequest object. */
		var response = http2.responseText;
		
	
		/* And now we want to change the product_categories <div> content.
			we do this using an ability to get/change the content of a page element 
			that we can find: innerHTML. */
		document.getElementById('imagenes').innerHTML = response;
	}
	
}