var newstxt = new Array ("cac0","cac1","cac2","cac3")
var newstab = new Array ("cac0_tab","cac1_tab","cac2_tab","cac3_tab")
	
function jumpNews(newsNo) {
	cancelLoop();
	changeNewsfoto(newsimg[newsNo]);
	ChangeClass(newstxt[newsNo],'cac_div_shown');
	ChangeClass(newstab[newsNo],'cac_tab_focus');
	for (var i = 0 ; i < 4 ; i++) {
		if ( i != newsNo ){
		ChangeClass(newstxt[i],'cac_div_hidden');
		ChangeClass(newstab[i],'cac_tab_blur');}
	}
}

function changeNewsfoto(obj) 
{ document.images["cacfoto"].src = obj; }

function ChangeClass(obj,clss){
divid = document.getElementById(obj);
divid.className = clss; }

//function showText(obj){ document.getElementById(obj).className="cac_div_shown";} 
//function hideText(obj){ document.getElementById(obj).className="cac_div_hidden";} 
//function showTab(obj) { document.getElementById(obj).className="cac_tab_focus";}
//function hideTab(obj) { document.getElementById(obj).className="cac_tab_blur"; }


var volgNo = 0;
var the_timeout;
function newsLoop() {
	jumpNews(volgNo);
	volgNo += 1;
	the_timeout = setTimeout("newsLoop();", 5000);
	if (volgNo > 3) {
	volgNo = 0;}
}

function cancelLoop() {
	clearTimeout(the_timeout);
}