var switchedId; function tabSwitch(id) { if(switchedId != id) { var tabContent = document.tElementById(id); tabContent.style.display = 'block'; if(switchedId != null) { var switchedContent = document.getElementById(switchedId); switchedContent.style.display = 'none'; } switchedId = id; } } function setSwitchedTab(id) { switchedId = id; if(switchedId != null) { var switchedContent = document.getElementById(switchedId); if(switchedContent != null) switchedContent.style.display = 'block'; } }