var PRVOBJ;
var NXTOBJ;


function showPicture(link,obj){
 	showpictureOBJ = document.getElementById('showpictureOBJ');
	showpictureOBJ.style.backgroundImage = 'url('+link+')';;
	showpictureOBJ.style.display = 'block'

	NXTOBJ = obj.nextSibling;
	while((!((NXTOBJ.nodeName=='DIV')&&(NXTOBJ.attributes['album'].value=="album")))&&(NXTOBJ = NXTOBJ.nextSibling)){}

	PRVOBJ = obj.previousSibling;
	while((!((PRVOBJ.nodeName=='DIV')&&(PRVOBJ.attributes['album'].value=="album")))&&(PRVOBJ = PRVOBJ.previousSibling)){}

	document.getElementById('showpictureOBJRight').style.backgroundImage=(NXTOBJ?"url(../../client/styles/imgs/right.png)":"none");
	document.getElementById('showpictureOBJLeft').style.backgroundImage=(PRVOBJ?"url(../../client/styles/imgs/left.png)":"none");
	
}

function nextPicture(obj){
	if(NXTOBJ){
		NXTOBJ.onclick();
	}else{
		obj.parentNode.style.display='none';
	}
}

function previousPicture(obj){
	if(PRVOBJ){
		PRVOBJ.onclick();
	}else{
		obj.parentNode.style.display='none';
	}
}