var to;
var temp = "";
var desc_txt = "";
var desc_obj = "";
nextchar = -1;
nextbtn = 0;
lastbtn = 0;

main_buttons = new Array();
main_buttons[0] = "campings";
main_buttons[1] = "verhuuraccommodatie";
main_buttons[2] = "bungalows";
main_buttons[3] = "groepsaccommodatie";

main_buttons_txt = new Array();
main_buttons_txt[0] = "Kies uit meer dan 850 campings";
main_buttons_txt[1] = "Accommodatie huren bij 240 campings";
main_buttons_txt[2] = "Meer dan 340 bungalowparken";
main_buttons_txt[3] = "Keuze uit 280 groepsaccommodaties";

preload_image = new Image();
for (i=0; i<main_buttons.length; i++) {
	preload_image.src = "_images/button_"+main_buttons[i]+"_active.gif";
	}

function animateButtons() {
	//if (nextbtn > 3) { nextbtn = 0; }

	//document.getElementById("img_"+main_buttons[lastbtn]).src = "_images/verblijf_"+main_buttons[lastbtn]+".gif";
	//clearButtonText("txt_"+main_buttons[lastbtn]);
	
	//document.getElementById("img_"+main_buttons[nextbtn]).src = "_images/verblijf_"+main_buttons[nextbtn]+"_a.gif";
	//startButtonText(main_buttons_txt[nextbtn], "txt_"+main_buttons[nextbtn]);
	
	//lastbtn = nextbtn;
	//++nextbtn;
	//abtn=setTimeout("animateButtons()",3000)
	
	for (i=0; i<main_buttons.length; i++) {
		document.getElementById("img_"+main_buttons[i]).src = "_images/verblijf_"+main_buttons[i]+"_a.gif";
		//startButtonText(main_buttons_txt[i], "txt_"+main_buttons[i]);
		document.getElementById("txt_"+main_buttons[i]).innerHTML = main_buttons_txt[i];
		}
	
	}

function clearButtonText(obj) {
	temp = "";
	nextchar = -1;
	if (to) { clearTimeout(to); }
	document.getElementById(obj).innerHTML = "";
	}

function startButtonText(button_txt, obj) {
	desc_obj = obj;
	desc_txt = button_txt;
	animate();
	}
	
function animate() {
	if (temp==desc_txt) { clearTimeout(to); }
	else { nextstep(); }
	}

function nextstep(){
	nextchar++;
	temp += desc_txt.charAt(nextchar);
	document.getElementById(desc_obj).innerHTML = temp;
	to=setTimeout("animate()",25)
	}