//<script>
	function el(eid){return document.getElementById(eid)}
		
		var selectedtab = 0;
		
		function addtab(tabid)
		{
			var name = '';
			var contents = '';
			var tab = 0;
			var tabdiv = el('producttabs');
			var tabtemplate = el('tabtemplate');
			var data = el('tabdata');
			
			while(el('tab_'+tabid))
			{//make sure the id is unique, we can clean it up in submit
				tabid += tabs.length;
			}
			var code = tabtemplate.innerHTML.replace(/%tabid%/g, tabid);
			//insert new tab
			tab = document.createElement('li');
			tab.id = 'tab_'+tabid;
			tab.innerHTML = code;
			tabdiv.insertBefore(tab,el('tab_new'));
			
			tab.tabnameinput = el('tabnameinput_'+tabid);
			tab.tabcontentsinput = el('tabcontentsinput_'+tabid);
			tab.tabnameoutput = el('name_'+tabid);
			
			tab.tabnameoutput.innerHTML = tab.tabnameinput.value;
		}
		function selecttab(tab)
		{
			if(selectedtab)
			{
				selectedtab.tabnameoutput.className = '';
			}
			el('tabcontentdiv').style.display = 'block';
			el('tabcontentdiv').innerHTML = tab.tabcontentsinput.value;
			
			tab.tabnameoutput.className = 'selected'
			
			selectedtab = tab;
		} 
//</script>