// JavaScript Document
addEvent(window,'load',initialiseThumbnailLinksInMediaCentre);
function initialiseThumbnailLinksInMediaCentre(){
	//alert("here");
	var thumbnailsEl=document.getElementById('thumbnails');
	if(thumbnailsEl){
		var thumbnails=thumbnailsEl.getElementsByTagName('img');
		for(var i=0;i<thumbnails.length;i++){
			if('dmPic'!=thumbnails[i].parentNode.id){
				addEvent(thumbnails[i].parentNode,'click',changeMainImageInMediaCentre);
				addEvent(thumbnails[i].parentNode,'mouseover',changeMainImageInMediaCentre);
			}
		}
	var nextLink=document.getElementById('link-next');
	if(nextLink){addEvent(nextLink,'click',changeMainImageInMediaCentre);}
	var prevLink=document.getElementById('link-previous');
	if(prevLink){addEvent(prevLink,'click',changeMainImageInMediaCentre);}
	}
}

function changeMainImageInMediaCentre(evt){
	evt=(evt)?evt:window.event;
	var target=(evt.target)?evt.target:evt.srcElement;
	if(target.tagName.toLowerCase()=='img')target=target.parentNode;imgNum=parseInt(imgNum);
	if(target.id=="link-previous"){imgNum=(imgNum<=0)?imgLength-1:imgNum-1;}
	else 
	if(target.id=="link-next"){imgNum=(imgNum>=imgLength-1)?0:imgNum+1;}
	else
	{imgNum=target.id.substr(3);}
	var propImg=document.getElementById('propimg');
	if(propImg){
		var currentDisplayNum=parseInt(imgNum)+1;
		if(propImgs[imgNum].match("^http.*")){
			propImg.src=propImgs[imgNum]+randomStr;
		}else{
			propImg.src='http:\/\/'+imgServer+propImgs[imgNum]+randomStr;
		}
		propImg.className='fixedPic';
		propImg.alt=(propCaps[imgNum]=='')?'Picture '+currentDisplayNum:propCaps[imgNum];
		var caption=document.getElementById('caption');
		if(caption){caption.innerHTML=(propCaps[imgNum]=='')?'Picture '+currentDisplayNum:propCaps[imgNum];}
	var picCounter=document.getElementById('picCounter')
	if(picCounter){picCounter.innerHTML=currentDisplayNum+' of '+imgLength;}
	}
	cancelEvent(evt);
}
//main