ie = (document.all) ? true:false; // IE4+
dom = ((document.getElementById) && (!ie)) ? true:false; // Mozilla 

function setEventById(id, ev, fu) {
	if(dom) {
		document.getElementById(id).addEventListener(ev, fu, false);
	}

	if(ie) {
		document.getElementById(id).attachEvent('on' + ev, fu);
	}
}


if (document.getElementById("enter")) {
	setEventById("enter", "mouseover", changeEon);
	setEventById("enter", "mouseout", changeEof);
	var e = document.getElementById("enter");
}

if (document.getElementById("ansok")) {
	setEventById("ansok", "mouseover", changeAon);
	setEventById("ansok", "mouseout", changeAof);
	var a = document.getElementById("ansok");
}

if (document.getElementById("skickaAnsokan")) {
	setEventById("skickaAnsokan", "mouseover", changeSAon);
	setEventById("skickaAnsokan", "mouseout", changeSAof);
	var sa = document.getElementById("skickaAnsokan");
}

if (document.getElementById("pfcom")) {
	setEventById("pfcom", "mouseover", changePFon);
	setEventById("pfcom", "mouseout", changePFof);
	var pf = document.getElementById("pfcom");
}

if (document.getElementById("skicka")) {
	setEventById("skicka", "mouseout", changeSOf);
	setEventById("skicka", "mouseover", changeSOn);
	var skicka = document.getElementById("skicka");
}

function changeEon() {
	if(e.className == "enter_of") {
		e.className = "enter_on";
	}
}

function changeEof() {
	if(e.className == "enter_on") {
		e.className = "enter_of";
	}
}

function changeAon() {
	if(a.className == "ansok_of") {
		a.className = "ansok_on";
	}
}

function changeAof() {
	if(a.className == "ansok_on") {
		a.className = "ansok_of";
	}
}

function changeSAon() {
	if(sa.className == "skickaAnsokan_of") {
		sa.className = "skickaAnsokan_on";
	}
}

function changeSAof() {
	if(sa.className == "skickaAnsokan_on") {
		sa.className = "skickaAnsokan_of";
	}
}

function changePFon() {
	if(pf.className == "pfcom_of") {
		pf.className = "pfcom_on";
	}
}

function changePFof() {
	if(pf.className == "pfcom_on") {
		pf.className = "pfcom_of";
	}
}

function changeSOn() {
	if (skicka.className == "skicka_of") {
		skicka.className = "skicka_on";
	}
}

function changeSOf() {
	if (skicka.className == "skicka_on") {
		skicka.className = "skicka_of";
	}
}