function getElement(obj){
	return document.getElementById(obj);
}

function setDisplay(obj, property) {
	return document.getElementById(obj).style.display = property;
}

function setAreasHeight(){
	body_height = document.body.clientHeight;
	header_height = getObjectHeight("header");
	footer_height = getObjectHeight("footer");
	minus_sum = header_height + footer_height + 1
	areas_height = body_height - minus_sum;
	getElement("areas").style.height = eval(areas_height) + "px";
}

function countBoxes() {
	var a=1;
	var boxes = getElement("doboz_marketingbox_keret").getElementsByTagName("div");
	for (i=0; i<boxes.length; i++) {
		if (boxes[i].id) {
			a++;
		}
	}
	return a;
}

function setBoxes(box) {
	var boxes = getElement("doboz_marketingbox_keret").getElementsByTagName("div");
	for (i=0; i<boxes.length; i++) {
		if (boxes[i].id) {
			setDisplay(boxes[i].id, "none");
			if (boxes[i].id.substr(20,1) == box) {
				setDisplay(boxes[i].id, "block");
			}
			else {
				setDisplay(boxes[i].id, "none");
			}
		}
	}
}

var t

function changeBoxes(i) {
	i++;
	if (i!=countBoxes()) {
		setBoxes(i);
		t = setTimeout("changeBoxes(" + i + ")", 6000);
	}
	else {
		changeBoxes(0);
	}
}

function clickBox(i) {
	clearTimeout(t);
	setBoxes(i);
}

function changeFormAction() {
	getElement("topservices_form").action = getElement("topservices_select").options[getElement("topservices_select").selectedIndex].value;
}

function DocumentInit(){
	setAreasHeight();
	changeBoxes(0);
}

if (window.addEventListener) {
	window.addEventListener("load",DocumentInit,false);
	window.addEventListener("resize",DocumentInit,false);
}
else if (window.attachEvent) {
	window.attachEvent("onload",DocumentInit);
	window.attachEvent("onresize",DocumentInit);
}