// JavaScript Document

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

function initTabs(){
	//var $tabLinks = createLink('Sales Skills') + createLink('Sales Tips');
	if(document.getElementById('Sales Skills')){
		document.getElementById('tab-box').insertBefore(createLink('Sales Skills', 'tablink-on'), document.getElementById('Sales Skills'));
	}
	if(document.getElementById('Sales Tips')){
		document.getElementById('tab-box').insertBefore(createLink('Sales Tips', 'tablink-off'), document.getElementById('Sales Skills'));
	}
	if(document.getElementById('Sales Techniques')){
		document.getElementById('tab-box').insertBefore(createLink('Sales Techniques', 'tablink-off'), document.getElementById('Sales Skills'));
	
	}
	document.getElementById('Sales Tips').style.display = 'none';
	if(document.getElementById('Sales Techniques'))document.getElementById('Sales Techniques').style.display = 'none';
	if(document.getElementById('Sales Tips'))document.getElementById('Sales Tips').style.display = 'none';
}

function tabSwitch(){
	if(this.innerHTML == 'Sales Skills'){
		if(document.getElementById('Sales Skills').style.display == 'none'){
			document.getElementById('Sales Skills').style.display = 'block';
			document.getElementById('Sales Tips').style.display = 'none';
			document.getElementById('Sales Techniques').style.display = 'none';
			this.className = 'tablink-on';
			this.nextSibling.className = 'tablink-off';
			this.nextSibling.nextSibling.className = 'tablink-off';
			
		}
	}
	if(this.innerHTML == 'Sales Tips'){
		if(document.getElementById('Sales Tips').style.display == 'none'){
			document.getElementById('Sales Tips').style.display = 'block';
			document.getElementById('Sales Skills').style.display = 'none';
			document.getElementById('Sales Techniques').style.display = 'none';
			this.className = 'tablink-on';
			this.previousSibling.className = 'tablink-off';
			this.nextSibling.className = 'tablink-off';
		}
	}
	if(this.innerHTML == 'Sales Techniques'){
		if(document.getElementById('Sales Techniques').style.display == 'none'){
			document.getElementById('Sales Techniques').style.display = 'block';
			document.getElementById('Sales Tips').style.display = 'none';
			document.getElementById('Sales Skills').style.display = 'none';
			this.className = 'tablink-on';
			this.previousSibling.className = 'tablink-off';
			this.previousSibling.previousSibling.className = 'tablink-off';
		}
	}
	
}

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