/***********************************************
* Carousel Slideshow II- By Harry Armadillo (http://www.codingforums.com/showthread.php?t=58814)
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
* Please keep this notice intact
***********************************************/

function carousel(params)
{
	if(!(params.width>0 && isFinite(params.width)))params.width=100;
	if(!(params.height>0 && isFinite(params.height)))params.height=100;
	if(!(params.sides>2 && isFinite(params.sides)))params.sides=4;
	if(!(params.steps>0 && params.steps<100 && isFinite(params.steps)))params.steps=20;
	if(!(params.speed>0 && isFinite(params.speed)))params.speed=8;
	if(!(params.image_border_width>=0 && isFinite(params.image_border_width)))params.image_border_width=0;
	if(isFinite(params.id)||!params.id)params.id='bad_id_given_'+Math.random();

	document.write("<div style='position:relative;overflow:hidden;' id='"+params.id.replace(/[^a-zA-Z0-9]+/g,'_')+"'></div>");
	var cdiv=document.getElementById(params.id.replace(/[^a-zA-Z0-9]+/g,'_'))
	cdiv.style.width=params.width+'px';
	cdiv.style.height=params.height+'px';
	cdiv.style.border=params.border;
	cdiv.style.position='relative';
	cdiv.style.overflow='hidden';
	cdiv.title=params.id;

	var counter=0,spinning=true,interval=Math.floor(60000/params.sides/params.steps/params.speed)-5;
	interval=isNaN(interval)?200:interval;
	var img_position=[],images=[],img_dimension=[];
	var img_index=params.images.length+1,img_index_cap=2*params.images.length;
	var faces=Math.ceil(params.sides/2), dimension, direction, targ, attr, faraway;

	function init()
	{
		if(params.direction=="left" || params.direction=="right")
		{
			direction=params.direction;
			dimension="width";
		}
		else if(params.direction=="top" || params.direction=="bottom")
		{
			direction=params.direction;
			dimension="height";
		}
		else 
		{
			direction="left";
			dimension="width";
		}
		faraway=(direction=="left"||direction=="top")?'-20000px':'20000px';
		cdiv.style[dimension]=params[dimension]/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)+'px';
		var img=new Image();
		img.style.position='absolute';
		img.style[direction]=faraway;
		img.style.width=params.width-2*params.image_border_width+'px';
		img.style.height=params.height-2*params.image_border_width+'px';
		img.style.border=(params.image_border_width||0)+'px solid '+params.image_border_color;

		for(var i=0; i < params.images.length; i++)
		{
			images[i]=img.cloneNode(true);
			images[i].src=params.images[i];
			if(params.links && params.links[i] && params.links[i]!='')
			{
				targ=params.lnk_targets && params.lnk_targets[i]||params.lnk_base||'new';
				if(targ=="_blank")
				{
					attr=(params.lnk_attr && params.lnk_attr[i])?",'"+params.lnk_attr[i]+"'":"";
					images[i].onclick=new Function("window.open('"+params.links[i]+"','"+targ+"'"+attr+")");
				}
				else if(targ.substr(0,1)=="_")
				{
					images[i].onclick=new Function(targ.substr(1)+".location='"+params.links[i]+"'");
				}
				else
				{
					attr=(params.lnk_attr && params.lnk_attr[i])?",'"+params.lnk_attr[i]+"'":"";
					images[i].onclick=new Function("var t='"+targ+"';if(window[t]){try{window[t].close()}catch(z){}}window[t]=window.open('"+params.links[i]+"',t"+attr+");window[t].focus()");
				}
				
				images[i].style.cursor=document.all?'hand':'pointer';
			}

			if(params.titles && params.titles[i] && params.titles[i]!='') images[i].title=params.titles[i];
			if(document.all) images[i].alt=images[i].title;
			images[i+params.images.length]=images[i];
			if(params.images.length==faces) images[i+2*params.images.length]=images[i];
			cdiv.appendChild(images[i]);
		}

		var face_size=params.size_mode=='image'?params[dimension]:params[dimension]*Math.sin(Math.PI/params.sides);
		var face_offset=params[dimension]*Math.cos(Math.PI/params.sides)/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)/2-.5;
		var pi_piece=2*Math.PI/params.steps/params.sides;
		for(i=0;i<=params.steps*faces;i++)
		{
			img_dimension[i]=face_size*Math.sin(pi_piece*i);
			img_position[i] =( i<params.steps*params.sides/2) ? Math.floor(params[dimension]/2/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)-face_offset*Math.cos(pi_piece*i)-img_dimension[i]/2)+'px':faraway;
			img_dimension[i]=img_dimension[i]-2*params.image_border_width>1?Math.ceil(img_dimension[i])-2*params.image_border_width+'px':'1px';
		}
	}
	init();

	cdiv.rotate = function()
	{
		setTimeout('document.getElementById("'+cdiv.id+'").rotate()',interval);
		if(!spinning) return;
		if(++counter>=params.steps)
		{
			counter=0;
			if(++img_index>=img_index_cap) img_index=params.images.length;
		}
		images[img_index-faces].style[direction]=faraway;
		
		for(var i=faces-1;i>=0;i--)
		{
			images[img_index-i].style[direction]=img_position[counter+i*params.steps];
			images[img_index-i].style[dimension]=img_dimension[counter+i*params.steps];
		}
	}
	cdiv.onmouseover=function() { spinning=false; }
	cdiv.onmouseout=function() { spinning=true; }
	setTimeout('document.getElementById("'+cdiv.id+'").rotate()',100);
}



/*
 * This is where all the settings are needs to be at	
 * Call the carousel funtion to execute the carousel 
 */

carousel(
{	
	id:'gacarousel', //Enter arbitrary but unique ID of this slideshow instance
	border:'2px',
	size_mode:'image', //Enter "carousel" or "image". Affects the width and height parameters below.
	width:230, //Enter width of image or entire carousel, depending on above value
	height:110, //Enter height of image or entire carousel, depending on above value
	sides:10, //# of sides of the carousel. What's shown = sides/2. Even integer with sides/2< total images is best
	steps:90, //# of animation steps. More = smoother, but more CPU intensive
	speed:2, //Speed of slideshow. Larger = faster.
	direction:'right', //Direction of slideshow. Enter "top", "bottom", "left", or "right"
	images:[		
		'/GAGImages/circutcity.jpg',
		'/GAGImages/callawaygolf.png',
      		'/GAGImages/cocacola.png',
		'/GAGimages/GAGcarouseltext.gif',
		'/GAGImages/apple.jpg',
		'/GAGImages/Ge.jpg',
		'/GAGImages/sears-logo.jpg',
		'/GAGImages/Stardust.jpg',
		'/GAGImages/kmart.jpg',
		'/GAGImages/HTropic.jpg',
		'/GAGImages/armstronglogo.jpg',
		'/GAGImages/ampd_mobile_logo.jpg',
		'/GAGImages/delphi.gif',
		'/GAGimages/GAGcarouseltext2.gif',
		'/GAGImages/compaq.gif',
		'/GAGImages/dreyers.png',
		'/GAGImages/eastman_logo.jpg',
		'/GAGImages/holley.jpg',
		'/GAGImages/lockheed.jpg',
		'/GAGImages/macys.png',
		'/GAGImages/maytag.png',
		'/GAGImages/midas.png',
		'/GAGImages/nordstrom.png',
		'/GAGImages/towersrecords.png'
	],
	links: [
		'/Ga/Clients/Clients.aspx', //enter link URLs, or for no links, empty array instead (links :[])
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx',
		'/Ga/Clients/Clients.aspx'
	],
	lnk_base:'',
	lnk_targets:[
		'_self', //link target for each link (see: http://www.codingforums.com/showthread.php?t=58814&page=2)
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self',
		'_self'
	],
	titles:[
		'Circut City',
		'Callaway Golf',
	   	'Coca Cola',
		'Text',
		'Apple',
		'GE',
		'Sears',
		'Stardust',
		'Kmart',
		'Hawaii',
		'Armstrong',
		'Ampd',
		'Delphi',
		'Text2',
		'Compaq',
		'Dreyers',
		'Eastman',
		'Holley Brand',
		'Lockheed Martin',
		'Macys',
		'Maytag',
		'Midas',
		'Nordstrom',
		'Tower Records'
	],
	image_border_width:1,
	image_border_color:'white'
}
);