// set element height to parent
function fullheight(elementsname) {
	var els = document.getElementsByName(elementsname);
	var i = els.length;
	while (i-- >0){
		var el = els[i];
		el.style.height = el.parentNode.clientHeight + 'px';
		}
	}

// auto switch content
function autoswitch(olid) {
	var el = document.getElementById(olid);
	if (!el) return;
	var liresensi = el.childNodes;
	for (var i=0; i<liresensi.length; i++){
		if (show_idx[olid] >= liresensi.length) show_idx[olid]=0;
		if (i == show_idx[olid]) {
			liresensi[i].style.display = "block";
			}
		else liresensi[i].style.display = "none";
		}
		show_idx[olid]++;
	}

function startslideshow(olid) {
	show_idx[olid] = 0;
	autoswitch(olid); // first time only, show first item	
	setTimeout("window.setInterval(\"autoswitch('"+olid+"')\", slideinterval)", Math.floor(Math.random()*slideinterval));
	}
	
var slideinterval = 3000;
var show_idx = new Array();

window.onload = function(){
//	  fullheight('boxchild2fullheight'); 
//	  startslideshow('olpejabatkorup'); 
//	  startslideshow('olswastakorup'); 
	  startslideshow('olgallery'); 
	  startslideshow('olresensi'); 
}