function gx(ax){
golink_new("eq_bookshop.php?q="+ax);
}



/**
 * Image src URLs
 **/
var imageList = [
"images/shopping/p/C6B158924F.jpg",
"images/shopping/p/E5EE705B93.jpg",
"images/shopping/p/A17CECBDCE.jpg",
"images/shopping/p/1EB55CFBA4.jpg",
"images/shopping/p/44F2B37266.jpg",
"images/shopping/p/005BC27D35.jpg",
"images/shopping/p/17C8E7149B.jpg",
"images/shopping/p/AAE95CFC1E.jpg",
"images/shopping/p/21D42A9B9F.jpg",
"images/shopping/p/B1EFE6828D.jpg",
"images/shopping/p/2C60FB759C.jpg",
"images/shopping/p/0817D535F6.jpg",
"images/shopping/p/0C141255CA.jpg",
"images/shopping/p/CAC64A3E82.jpg",
"images/shopping/p/5FB6355F43.jpg",
"images/shopping/p/B18A44B8CF.jpg",
"images/shopping/p/91005ACA39.jpg",
"images/shopping/p/19762186E5.jpg",
"images/shopping/p/920B2DD324.jpg",
"images/shopping/p/86285CF5B1.jpg",
"images/shopping/p/17AB1582CC.jpg",
"images/shopping/p/C7536DDF5E.jpg",
"images/shopping/p/73E28AEAFB.jpg",
"images/shopping/p/BDF5023154.jpg",
"images/shopping/p/02F90C44D5.jpg",
"images/shopping/p/B9B4B90E85.jpg",
"images/shopping/p/9D0E4A8D9B.jpg",
"images/shopping/p/F8EA371D8B.jpg",
"images/shopping/p/F33A3E7AD1.jpg",
"images/shopping/p/93BCE39488.jpg",
"images/shopping/p/4E20315299.jpg",
"images/shopping/p/907C9D1E33.jpg",
"images/shopping/p/CBAD4C482A.jpg",
"images/shopping/p/5BBF2A7587.jpg",
"images/shopping/p/EF9013B520.jpg",
"images/shopping/p/7875384396.jpg",
"images/shopping/p/AC00BC8157.jpg",
"images/shopping/p/7EA2C4271D.jpg",
"images/shopping/p/CFA7D49E1A.jpg",
"images/shopping/p/E58BF2E317.jpg",
"images/shopping/p/2BE241DEA0.jpg",
"images/shopping/p/9CE7CC753E.jpg",
"images/shopping/p/5957A75A27.jpg",
"images/shopping/p/4FF1485B47.jpg",
"images/shopping/p/E4363EF788.jpg",
"images/shopping/p/40BFB903A2.jpg",
"images/shopping/p/5731BD3173.jpg",
"images/shopping/p/7703E7CDF1.jpg",
"images/shopping/p/9790412492.jpg",
"images/shopping/p/199.jpg",
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"images/shopping/p/156.jpg",
"images/shopping/p/154.jpg",
"images/shopping/p/153.jpg",
"images/shopping/p/152.jpg",
"images/shopping/p/150.jpg",
"images/shopping/p/149.jpg",
"images/shopping/p/148.jpg",
"images/shopping/p/147.jpg",
"images/shopping/p/146.jpg",
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"images/shopping/p/144.jpg",
"images/shopping/p/143.jpg",
"images/shopping/p/142.jpg",
"images/shopping/p/141.jpg",
"images/shopping/p/140.jpg",
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"images/shopping/p/138.jpg",
"images/shopping/p/137.jpg",
"images/shopping/p/134.jpg",
"images/shopping/p/132.jpg",
"images/shopping/p/128.jpg",
"images/shopping/p/127.jpg",
"images/shopping/p/124.jpg",
"images/shopping/p/123.jpg",
"images/shopping/p/119.jpg",
"images/shopping/p/118.jpg",
"images/shopping/p/117.jpg",
"images/shopping/p/116.jpg",
"images/shopping/p/115.jpg",
"images/shopping/p/114.jpg",
"images/shopping/p/106.jpg",
"images/shopping/p/105.jpg",
"images/shopping/p/104.jpg",
"images/shopping/p/103.jpg",
"images/shopping/p/102.jpg",
"images/shopping/p/101.jpg",
"images/shopping/p/100.jpg",
"images/shopping/p/99.jpg",
"images/shopping/p/97.jpg",
"images/shopping/p/96.jpg",
"images/shopping/p/95.jpg",
"images/shopping/p/94.jpg",
"images/shopping/p/93.jpg",
"images/shopping/p/92.jpg",
"images/shopping/p/90.jpg",
"images/shopping/p/89.jpg",
"images/shopping/p/88.jpg",
"images/shopping/p/87.jpg",
"images/shopping/p/86.jpg",
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"images/shopping/p/55.jpg",
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"images/shopping/p/35.jpg",
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"images/shopping/p/23.jpg",
"images/shopping/p/22.jpg",
"images/shopping/p/21.jpg",
"images/shopping/p/20.jpg",
"images/shopping/p/18.jpg",
"images/shopping/p/17.jpg",
"images/shopping/p/15.jpg",
"images/shopping/p/14.jpg",
"images/shopping/p/13.jpg",
"images/shopping/p/12.jpg",
"images/shopping/p/11.jpg",
"images/shopping/p/8.jpg",
"images/shopping/p/6.jpg",
"images/shopping/p/4.jpg",
				 ];

var lastRan = -1;

/**
 * Since carousel.addItem uses an HTML string to create the interface
 * for each carousel item, this method formats the HTML for an LI.
 **/
var fmtItem = function(imgUrl, url, title) {

  	var innerHTML = 
  		'<img alt=\""+imgUrl+"\" class=\"cur2\" onclick=\'gx("'+imgUrl+'")\' src="' + 
  		imgUrl +
		
		'"/>' + 
  		title + 
  		'';
	return innerHTML;
	
};

/**
 * Custom inital load handler. Called when the carousel loads the initial
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadInitHandler
 **/
var loadInitialItems = function(type, args) {

	var start = args[0];
	var last = args[1]; 
	load(this, start, last);	
};

/**
 * Custom load next handler. Called when the carousel loads the next
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadNextHandler
 **/
var loadNextItems = function(type, args) {	

	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
};

/**
 * Custom load previous handler. Called when the carousel loads the previous
 * set of data items. Specified to the carousel as the configuration
 * parameter: loadPrevHandler
 **/
var loadPrevItems = function(type, args) {
	var start = args[0];
	var last = args[1]; 
	var alreadyCached = args[2];
	
	if(!alreadyCached) {
		load(this, start, last);
	}
};  

var load = function(carousel, start, last) {
	for(var i=start;i<=last;i++) {
		var randomIndex = getRandom(196, lastRan);
	var randomIndex = i-1;

	//alert(i);


		lastRan = randomIndex;
		carousel.addItem(i, fmtItem(imageList[randomIndex], "", ""));
	}
};

var getRandom = function(max, last) {
	var randomIndex;
	do {
		randomIndex = Math.floor(Math.random()*max);
	} while(randomIndex == last);


	return randomIndex;


	
};

/**
 * Custom button state handler for enabling/disabling button state. 
 * Called when the carousel has determined that the previous button
 * state should be changed.
 * Specified to the carousel as the configuration
 * parameter: prevButtonStateHandler
 **/
var handlePrevButtonState = function(type, args) {

	var enabling = args[0];
	var upImage = args[1];

	if(enabling) {
		upImage.src = "images/pv_bt.gif";
	} else {
		upImage.src = "images/pv_bt_dis.gif";
	}
	
};
var carousel; // for ease of debugging; globals generally not a good idea
var pageLoad = function() 
{
	carousel = new YAHOO.extension.Carousel("dhtml-carousel", 
		{
			
			animationSpeed:    0.25,
			scrollInc:         10,
            size:196,
numVisible:        10,
			navMargin:         0,
			loadInitHandler:   loadInitialItems,
			prevElement:     "up-arrow",
			nextElement:     "down-arrow",
			loadNextHandler:   loadNextItems,
			loadPrevHandler:   loadPrevItems,
			prevButtonStateHandler:   handlePrevButtonState
		}
	);
};

YAHOO.util.Event.addListener(window, 'load', pageLoad);