/************************************** Splendid *************************************
* Created By:		Jill Yosar
* Creation Date:	8th October 2009
* Edited ----------------------------------------------------------------------------
*      By:              On:  
* Description -----------------------------------------------------------------------
*      This file handles rotation of the case study image and links
*      Uses JQuery.
*      Example: 
*           
*
* Functions -------------------------------------------------------------------------
*       initCaseStudies()		// Initialises the page elements with something random from the caseStdy array
*       
*       
* Event Handlers --------------------------------------------------------------------
*       
*       
*       
**************************************************************************************/

/********************************** Global Variables *********************************/
// Set Arrays/Variables
var caseStudy = new Array();
var numCaseStudies=5;

$(document).ready(function(){
	caseStudy.push({img:"/img/253x130/caseStudyMercedes.jpg", link:"/uk/case-study/mercedes-benz/", alt: "Case study: Mercedes Benz"});
	caseStudy.push({ img: "/img/253x130/caseStudySun.jpg", link: "/uk/case-study/sun-help-for-heroes/", alt: "The Sun: Help for heroes" });
	caseStudy.push({ img: "/img/253x130/caseStudyParamount.jpg", link: "/uk/case-study/paramount/", alt: "Case study: Paramount" });
	caseStudy.push({ img: "/img/253x130/caseStudyExperian.jpg", link: "/uk/case-study/experian/", alt: "Case study: Experian" });
	caseStudy.push({ img: "/img/253x130/caseStudyCetelem.jpg", link: "/uk/case-study/cetelem/", alt: "Case study: Cetelem" });						   
	
	initCaseStudies();
});	

/************************************* Functions *************************************/
function initCaseStudies(){
	if(caseStudy.length == 0)
		return;

	// Generates a random 
	var item = Math.floor(Math.random()*caseStudy.length);

	for(var i=0; i < 5; i++)
	{
		var node = $("#caseStudy" + i.toString());
		$("img", node).attr("src", caseStudy[item].img);
		$("a", node).attr("href", caseStudy[item].link);
		$("a", node).attr("alt", caseStudy[item].alt);
		node = null;
		
		item++;
		if(item > caseStudy.length - 1)
			item = 0;
	}
	
	
}