//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest(); //Not IE
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP"); //IE
	} else {
		//Display your error message here. 
		//and inform the user they might want to upgrade
		//their browser.
		alert("Your browser doesn't support the XmlHttpRequest object.  Better upgrade to Firefox.");
	}
}	


//Get our browser specific XmlHttpRequest object.
var receiveReq = getXmlHttpRequestObject();	
var global_product_id = "";



//function for checking the email on get_contact_detail page
function control_home_page_image(val) {
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
		receiveReq.open("GET", 'ajax-php/home_page_imgl.php', true);
		receiveReq.onreadystatechange = handle_control_home_page_image; 
		receiveReq.send(null);
	}			
}

function handle_control_home_page_image() {
	if (receiveReq.readyState == 4) {
		if(receiveReq.responseText != "")
		{
			document.getElementById('home_image_div').innerHTML = receiveReq.responseText;
		}
	}
}


//function for checking the email on get_contact_detail page
function ajax_add_to_cart(product_id)
{
	//alert(product_id);
	var target = "id_add_to_cart" + product_id;
	var url = 'ajax-php/add_to_cart.php';
	//document.getElementById(target).innerHTML = '';
	var pars = 'product_id=' + product_id; 
	var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars});
}


//function for checking the email on get_contact_detail page
function ajax_remove_cart_items()
{
	
	var count_product = document.getElementById("count_product").value;
	var product_id_str = "";
	var total_price_id = 0;
	
	
	for(i=0;i<count_product;i++)
	{
		if(document.getElementById("chk" + i).checked == true)
		{
			product_id_str += document.getElementById("chk" + i).value + ",";
			total_price_id += document.getElementById("qty" + i).value * document.getElementById("price" + i).value;
			//document.getElementById("tr" + i).style.display = "none";
			
			//uncheck the removed field
			document.getElementById("chk" + i).checked = false;
			
		}
	}
	
	if(product_id_str == "")
	{
		alert("Please select atleast one product to remove from Cart.");
		return false;
	}
	
	var str_len = product_id_str.length;
	product_id_str = product_id_str.substr(0, str_len - 1); 

	//document.getElementById("total_price_id").innerHTML = document.getElementById("total_price_id").innerHTML - total_price_id;
	
	//var target = "id_updated";
	//var url = 'ajax-php/remove_cart.php';
	var pars = 'mode=remove&product_id_str='+product_id_str; 
	//alert(pars);
	//var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars});
	window.location = "cart.php?" + pars;
}


function ajax_update_cart_items()
{
	//document.getElementById("id_updated").innerHTML = '<img src="images/ajax-loader.gif" border="0" /> <font color="#ffffff">Loading...</font>';

	var count_product = document.getElementById("count_product").value;
	var product_qty_str = "";
	var total_price_id = 0;

	
	for(i=0;i<count_product;i++)
	{
		if(document.getElementById("tr" + i).style.display != "none")
		{
			if(i < (count_product-1))
			{
				product_qty_str += Math.abs(document.getElementById("qty" + i).value) + ",";
				//document.getElementById("total_id" + i).innerHTML = Math.abs(document.getElementById("qty" + i).value) * document.getElementById("price" + i).value;
				total_price_id += Math.abs(document.getElementById("qty" + i).value) * document.getElementById("price" + i).value;
			}
			else
			{
				product_qty_str += Math.abs(document.getElementById("qty" + i).value);
				//document.getElementById("total_id" + i).innerHTML = Math.abs(document.getElementById("qty" + i).value) * document.getElementById("price" + i).value;
				total_price_id += Math.abs(document.getElementById("qty" + i).value) * document.getElementById("price" + i).value;
			}
		}
	}
	
	
	//document.getElementById("total_price_id").innerHTML = total_price_id;
	
	
	//var target = "id_updated";
	//var url = 'ajax-php/update_cart.php'; 
	var pars = 'mode=update&product_qty_str=' + product_qty_str; 
	//var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars});
	window.location = "cart.php?" + pars;
	
}


//function to add product to wishlist
function ajax_add_to_wishlist(product_id, is_login) {
	if(is_login == "no")
	{
		alert("Please login to add the Item to your wishlist.");
		return false;
	}
	global_product_id = product_id;
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
		receiveReq.open("GET", 'ajax-php/add_to_wishlist.php?product_id=' + product_id, true);
		receiveReq.onreadystatechange = handle_ajax_add_to_wishlist; 
		receiveReq.send(null);
	}			
}

function handle_ajax_add_to_wishlist() {
	if (receiveReq.readyState == 4) {
		if(receiveReq.responseText != "")
		{
			document.getElementById('id_add_to_wishlist' + global_product_id).innerHTML = receiveReq.responseText;
		}
	}
}


//function to remove product from wishlist
function ajax_remove_from_wishlist(product_id) {
	global_product_id = product_id;
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
		receiveReq.open("GET", 'ajax-php/remove_from_wishlist.php?product_id=' + product_id, true);
		receiveReq.onreadystatechange = handle_ajax_remove_from_wishlist; 
		receiveReq.send(null);
	}			
}

function handle_ajax_remove_from_wishlist() {
	if (receiveReq.readyState == 4) {
		if(receiveReq.responseText != "")
		{
			document.getElementById('id_add_to_wishlist' + global_product_id).innerHTML = receiveReq.responseText;
		}
	}
}