// JavaScript Document

function createLink($text, $class){
	var $linkText = document.createTextNode($text);
	var $link = document.createElement('a');
	//var linebreak = "<br />"
	$link.onclick = tabSwitch;
	$link.className = $class;
	$link.appendChild($linkText);
	return $link;
}

function initTabs(){
	//var $tabLinks = createLink('Used Vans') + createLink('New Vans');
	if(document.getElementById('Used Vans')){
		document.getElementById('tab-box').insertBefore(createLink('Used Vans', 'tablink-on'), document.getElementById('Used Vans'));
	}
	if(document.getElementById('New Vans')){
		document.getElementById('tab-box').insertBefore(createLink('New Vans', 'tablink-off'), document.getElementById('Used Vans'));
	}
	if(document.getElementById('Vans for Sale')){
		document.getElementById('tab-box').insertBefore(createLink('Vans for Sale', 'tablink-off'), document.getElementById('Used Vans'));
	}
	if(document.getElementById('Vans for Sale London')){
		document.getElementById('tab-box').insertBefore(createLink('Vans for Sale London', 'tablink-off'), document.getElementById('Used Vans'));
	}
	if(document.getElementById('New Vans'))document.getElementById('New Vans').style.display = 'none';
	if(document.getElementById('Vans for Sale'))document.getElementById('Vans for Sale').style.display = 'none';
	if(document.getElementById('Vans for Sale London'))document.getElementById('Vans for Sale London').style.display = 'none';
	if(document.getElementById('New Vans'))document.getElementById('New Vans').style.display = 'none';
}

function tabSwitch(){
	if(this.innerHTML == 'Used Vans'){
		if(document.getElementById('Used Vans').style.display == 'none'){
			document.getElementById('Used Vans').style.display = 'block';
			document.getElementById('New Vans').style.display = 'none';
			document.getElementById('Vans for Sale').style.display = 'none';
			document.getElementById('Vans for Sale London').style.display = 'none';
			this.className = 'tablink-on';
			this.nextSibling.className = 'tablink-off';
			this.nextSibling.nextSibling.className = 'tablink-off';
			this.nextSibling.nextSibling.nextSibling.className = 'tablink-off';
			if(document.getElementById('New Vans'))this.nextSibling.className = 'tablink-off';
		}
	}
	if(this.innerHTML == 'New Vans'){
		if(document.getElementById('New Vans').style.display == 'none'){
			document.getElementById('New Vans').style.display = 'block';
			document.getElementById('Used Vans').style.display = 'none';
			document.getElementById('Vans for Sale').style.display = 'none';
			document.getElementById('Vans for Sale London').style.display = 'none';
			this.className = 'tablink-on';
			this.nextSibling.className = 'tablink-off';
			this.nextSibling.nextSibling.className = 'tablink-off';
			this.previousSibling.className = 'tablink-off';
			if(document.getElementById('Vans for Sale'))this.nextSibling.className = 'tablink-off';
			if(document.getElementById('Used Vans'))this.previousSibling.className = 'tablink-off';
			
		}
	}
	if(this.innerHTML == 'Vans for Sale'){
		if(document.getElementById('Vans for Sale').style.display == 'none'){
			document.getElementById('Vans for Sale').style.display = 'block';
			document.getElementById('New Vans').style.display = 'none';
			document.getElementById('Used Vans').style.display = 'none';
			document.getElementById('Vans for Sale London').style.display = 'none';
			this.className = 'tablink-on';
			this.nextSibling.className = 'tablink-off';
			this.previousSibling.className = 'tablink-off';
			this.previousSibling.previousSibling.className = 'tablink-off';
			if(document.getElementById('Vans for Sale London'))this.nextSibling.className = 'tablink-off';
			if(document.getElementById('New Vans'))this.previousSibling.className = 'tablink-off';
		}
	}
	if(this.innerHTML == 'Vans for Sale London'){
		if(document.getElementById('Vans for Sale London').style.display == 'none'){
			document.getElementById('Vans for Sale London').style.display = 'block';
			document.getElementById('New Vans').style.display = 'none';
			document.getElementById('Used Vans').style.display = 'none';
			document.getElementById('Vans for Sale').style.display = 'none';
			this.className = 'tablink-on';
			this.previousSibling.className = 'tablink-off';
			this.previousSibling.previousSibling.className = 'tablink-off';
			this.previousSibling.previousSibling.previousSibling.className = 'tablink-off';
			if(document.getElementById('Renault Vans'))this.nextSibling.className = 'tablink-off';
			if(document.getElementById('Vans for Sale'))this.previousSibling.className = 'tablink-off';
		}
	}

}

window.onload = function(){
	initTabs();
}