/*

Greasemonkey helper for WhatToGive
(c)Ben Jefferson - WhatToGive.com 2005

Please send comments and questions to feedback@whattogive.com
*/

// ==UserScript==
// @name          WhatToGive Helper
// @namespace     http://whattogive.com/
// @description   Add items to your WhatToGive.com wish list with ease! Adds a button when viewing a variety of sites so that you can quickly add the item to your WhatToGive gift list
// @include       http://www.amazon.co.uk/*ASIN*
// @include       http://www.amazon.com/*ASIN*
// @include       http://amazon.co.uk*
// @include       http://amazon.com*
// @include       http://ebay.co.uk*
// @include       http://ebay.com*
// @include       http://www.ebay.co.uk*
// @include       http://www.ebay.com*
// @include       http://argos.co.uk*
// @include       http://www.argos.co.uk*
// @include       http://order.next.co.uk/*
// @include       http://www.marksandspencer.com/*Product*
// @include       http://whattogive/*
// ==/UserScript==

(function() {
    var wtg_button = {
    	link: '',
    	image: '',
    	
        add_item: function() {
            title = window.prompt('Please enter a title for this item on your WhatToGive list.\n (Leave title blank to cancel operation and hide icon)',document.title,'Adding Item To WhatToGive');
            if (title) {
                add_url = "http://whattogive/api/item_add.php?user_id=&title="+title+"&method=greasemonkey&version=1&from="+escape(document.location.href);
                GM_xmlhttpRequest({
                    method:"GET",
                    url:add_url,
                    onload:function(details) {
                        response = details.responseText;
                        if (response=='LOGIN REQUIRED') {
	                        add_url = "http://whattogive/api/item_add.php?force_login=yes&title="+title+"&method=bm&version=1&from="+escape(document.location.href);
                        	w=window.open(add_url,'Add_item','menubar=no,status=no,address=no,width=450,height=340');	
                        	w.focus();
                        } else {
	                        window.alert(response);
	                    }
                    }
                });
			}
			// now hide the button
			wtg_button.link.style.display='none';
            return false;
        }

	,

        render: function() {
            var link = document.createElement('A');
            link.style.position = 'absolute';
            link.style.top = '0';
            link.style.right = '0';
            link.id='wtg_button';
            link.style.color = '#FFF';
            link.style.margin = '1px';
            link.style.padding = '1px 1px';
            link.style.border = '0px';
            link.onclick = this.add_item;
            link.target = '_new';
            link.href="http://whattogive/api/item_add.php?user_id=&method=greasemonkey&version=1&from="+escape(document.location.href);
            var image = document.createElement('img');
			image.title = 'Click to add this item to your WhatToGive list';
            image.width = 23;
            image.height = 23;
            image.style.border = '1px solid #763';
            image.style.border = 6;
            image.alt = 'Add item to your WhatToGive list';
            image.src = 'data:image/bmp;base64,Qk2uBgAAAAAAADYAAAAoAAAAFwAAABcAAAABABgAAAAAAHgGAADEDgAAxA4AAAAAAAAAAAAAEMb/\
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';
            link.appendChild(image);
            this.link = link;
            this.image = image;
            body = document.getElementsByTagName("body")[0];
            body.insertBefore(link, body.firstChild);
            return link;
        }

    }   
    wtg_button.render();

})();