function changeTab(newTabName)
{
	var currentTabName = document.record.tab.value;

	if (currentTabName != newTabName) {
		currentTabTD = document.getElementById("td_tab_" + currentTabName);
		newTabTD = document.getElementById("td_tab_" + newTabName);
		currentTab = document.getElementById("tab_" + currentTabName);
		newTab = document.getElementById("tab_" + newTabName);

		if (currentTabTD) {
			currentTabTD.className = "adminTab";
			newTabTD.className = "adminTabActive";
		}
		currentTab.className = "adminTab";
		newTab.className = "adminTabActive";

		currentData = document.getElementById("data_" + currentTabName);
		newData = document.getElementById("data_" + newTabName);

   	currentData.style.display = "none";
   	newData.style.display = "block";

		document.record.tab.value = newTabName;
	}
}