// 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 olresensi=document.getElementById(olid);
	if (olresensi) {
		var liresensi = olresensi.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; // milisecond
var show_idx = new Array(); // index item yg sedang ditampilkan

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