var ccoHeaderLink_tracker = false; //keeps track for storing other year link -i.e. do it once.
var ccoHeaderLink_otherYear_original = ""; //stores original value of link "brand="
var ccoHeaderLink_anotherYear_original = ""; //stores original value of link "brand="
function activateDiv(){
	if(ccoHeaderLink_tracker != true){
               ccoHeaderLink_otherYear_original = document.getElementById("ccoHeaderLink_otherYear").href;
               ccoHeaderLink_anotherYear_original = document.getElementById("ccoHeaderLink_anotherYear").href;
               ccoHeaderLink_tracker = true;
        }

	if (activeTab == "ccoTab_viewall"){
		document.getElementById("ccoOffer_sierra").style.display = 'block';
		document.getElementById("ccoOffer_canyon").style.display = 'block';
		document.getElementById("ccoOffer_envoy").style.display = 'block';
		document.getElementById("ccoOffer_yukon").style.display = 'block';
		document.getElementById("ccoOffer_savana").style.display = 'block';		
        	var ccoHeaderLink_otherYear_newLink = ccoHeaderLink_otherYear_original + "viewall";	
        	var ccoHeaderLink_anotherYear_newLink = ccoHeaderLink_anotherYear_original + "viewall";
	} else {
		if(oldTab == "ccoTab_viewall"){			
			document.getElementById("ccoOffer_sierra").style.display = 'none';
			document.getElementById("ccoOffer_canyon").style.display = 'none';
			document.getElementById("ccoOffer_envoy").style.display = 'none';
			document.getElementById("ccoOffer_yukon").style.display = 'none';
			document.getElementById("ccoOffer_savana").style.display = 'none';
		} else {
			oldBrand = oldTab.split("Tab_");
			document.getElementById("ccoOffer_" + oldBrand[1]).style.display = 'none';
		}
		activeBrand = activeTab.split("Tab_");
		document.getElementById("ccoOffer_" + activeBrand[1]).style.display = 'block';
	
        	var ccoHeaderLink_otherYear_newLink = ccoHeaderLink_otherYear_original + activeBrand[1];
        	var ccoHeaderLink_anotherYear_newLink = ccoHeaderLink_anotherYear_original + activeBrand[1];
	}

	document.getElementById("ccoHeaderLink_otherYear").href = ccoHeaderLink_otherYear_newLink;
	document.getElementById("ccoHeaderLink_anotherYear").href = ccoHeaderLink_anotherYear_newLink;

}

function ccoRegionBack(url) {
	if (window.opener && !window.opener.closed) {
		window.parent.opener.top.location.href = url;
		window.parent.opener.focus();
	} else {
		var NewWindow = window.open(url,'new_parent');
	}
	window.self.close();
}