function resetTabs(tabWidget,activeTab,activeTabContent){
	
	var tabs = tabWidget.getElementsByClassName('active_tab');
	var tabcontents = tabWidget.getElementsByClassName('active_tab_content');
	
	for(i=0;i<tabs.length;i++){
		tabs[i].className='inactive_tab';
		tabcontents[i].className='inactive_tab_content';
	}
	
	activeTab.className='active_tab';
	activeTabContent.className='active_tab_content';
	
}


function changeTab(activeTab,activeTabContent){
	
			tabs = document.getElementById('tab_header').getElementsByTagName('li');
			
			for(i=0;i<tabs.length;i++){
				tabs[i].id='';
				document.getElementById('tab_'+(i+1)).className = "inactive_tab_content";
			}
			activeTab.id='selected_tab';
			document.getElementById(activeTabContent).className = "active_tab_content";
			
}