function selectTab(id){
	initTabs();
	
	var divNavigation = document.getElementById("tabNav"+id);
	var divContent = document.getElementById("tabContent"+id);
	
	divNavigation.style.display = 'block';
	divNavigation.style.visibility = 'visible';
	
	divContent.style.display = 'block';
	divContent.style.visibility = 'visible';
}

function initTabs(){
	var divNavigation1 = document.getElementById("tabNav1");
	var divNavigation2 = document.getElementById("tabNav2");
	var divNavigation3 = document.getElementById("tabNav3");
	
	var divContent1 = document.getElementById("tabContent1");
	var divContent2 = document.getElementById("tabContent2");
	var divContent3 = document.getElementById("tabContent3");

	divNavigation1.style.display = 'none';
	divNavigation1.style.visibility = 'hidden';
	
	divNavigation2.style.display = 'none';
	divNavigation2.style.visibility = 'hidden';
	
	divNavigation3.style.display = 'none';
	divNavigation3.style.visibility = 'hidden';
	
	divContent1.style.display = 'none';
	divContent1.style.visibility = 'hidden';
	
	divContent2.style.display = 'none';
	divContent2.style.visibility = 'hidden';
	
	divContent3.style.display = 'none';
	divContent3.style.visibility = 'hidden';
}