var unableToTab = true;
try {
	var tabBox = document.getElementById("tab-desc");
	var tabList =  tabBox.getElementsByTagName("ul");
	var tabHeaders = tabList[0].getElementsByTagName("li");
	var tabContents = document.getElementById("tab-conts-box").childNodes;
	var totalTabs = tabHeaders.length;
	var prodrevTab = totalTabs-1;
	var currentTab = 0;
	tabHeaders[0].className = "tabhover";
	tabHeaders[0].getElementsByTagName("a")[0].onclick = function () { shTab(0); return false; };
	tabContents[0].style.display = "block";
	for (i = 1; i < totalTabs; i++) {
		tabHeaders[i].className = "tabheader";
		tabHeaders[i].getElementsByTagName("a")[0].onclick = (function(index){ return (function(){ shTab(index); return false; });})(i);
		tabContents[i].style.display = "none";
	}
	unableToTab = false;
} catch (err) {
	unableToTab = true;
}

function shTab(showTab){
	if (unableToTab || (showTab > totalTabs) || (showTab == currentTab)) return false;
	tabHeaders[currentTab].className = "tabheader";
	tabContents[currentTab].style.display = "none";
	currentTab = showTab;
	tabHeaders[currentTab].className = "tabhover";
	tabContents[currentTab].style.display = "block";
}

function reviewTabShow(){
	shTab(prodrevTab);
	document.location.href = "#customer-reviews";	
}