if (GMCERTIFIED == null) {
			GMCERTIFIED = new Object();
		}
		GMCERTIFIED.OFFERS = new Object(); 


		GMCERTIFIED.OFFERS.tabsArray = new Array();
		GMCERTIFIED.OFFERS.tabsArray[0] = "OnStar<sup>&#174;</sup> Trial";
 		GMCERTIFIED.OFFERS.tabsArray[1] = "XM Radio Trial";
 		GMCERTIFIED.OFFERS.tabsArray[2] = "APR Special Impala";
 		GMCERTIFIED.OFFERS.tabsArray[3] = "APR Special G6";
 		
 		GMCERTIFIED.OFFERS.showTab = function showTab(stabId,baseHREF)
 		{
 			var tabsArray = GMCERTIFIED.OFFERS.tabsArray;
 		
 			var tabId = -1;
 			if (isInteger(stabId) == true) {
 			  tabId = parseInt(stabId);
 			}
 		
 	 		if( tabId > 4 || tabId < 0){
				tabId = -1;
 	 		}
			if (tabId == 0) {
				$("#headerText").html("3 Trial Months of OnStar<sup>&#174;</sup> Safe & Sound");
			} else if (tabId == 1) {
				$("#headerText").html("3-Month Trial of XM Radio");
			}else if (tabId == 2) {
				$("#headerText").html("APR Special Impala");
			}else if (tabId == 3) {
				$("#headerText").html("APR Special G6");
			}			
 			for( var i=0; i < tabsArray.length; i++){
 				$("#offers_tabs_"+i).hide();
 				var link = baseHREF + "/offers?tabId=" + i;
 				var html = "<a href='" + link + "'>" + tabsArray[i] + "</a>"
 				$("#offers_tabs_li_"+i).html(html);
 			}
			if( tabId == -1) {
				$("#offers_tabs_x").show();
			} else {
				$("#offers_tabs_x").hide();
 				$("#offers_tabs_"+tabId).show();
 				$("#offers_tabs_li_"+tabId).html('<strong>'+tabsArray[tabId]+'</strong>');
			}
 		}