function showtab(element1,element2)
{
	
	document.getElementById('upcomingwebinar').style.display="none";
	document.getElementById('news_events').style.display="none";	
	var element=document.getElementById(element1);
	element.style.display="block";
	
	document.getElementById('tab_1').className='';
	document.getElementById('tab_2').className='';	
	document.getElementById(element2).className='selected';
}
function showcollapse(element1,element2)
{
	
	document.getElementById('itemOpen1').style.display="none";
	document.getElementById('itemOpen2').style.display="none";		
	var element=document.getElementById(element1);
	element.style.display="block";
	
	document.getElementById('td1').className='';
	document.getElementById('td2').className='';		
	document.getElementById(element2).className='orangetablebg';
}
function showdeploytab(element1,element2)
{
	
	document.getElementById('core_router').style.display="none";
	document.getElementById('many_router').style.display="none";
	document.getElementById('user_area').style.display="none";
	document.getElementById('server_area').style.display="none";
	document.getElementById('core_switch').style.display="none";	
	var element=document.getElementById(element1);
	element.style.display="block";
	
	document.getElementById('tab_3').className='';
	document.getElementById('tab_4').className='';
	document.getElementById('tab_5').className='';
	document.getElementById('tab_6').className='';
	document.getElementById('tab_7').className='';	
	document.getElementById(element2).className='selected';
}
function showdeploytab2(element1,element2)
{
	
	document.getElementById('core_router1').style.display="none";
	document.getElementById('many_router1').style.display="none";
	document.getElementById('many_router2').style.display="none";
	document.getElementById('many_sensors').style.display="none";
	document.getElementById('mixed').style.display="none";
	document.getElementById('global').style.display="none";	
	var element=document.getElementById(element1);
	element.style.display="block";
	
	document.getElementById('tab_8').className='';
	document.getElementById('tab_9').className='';
	document.getElementById('tab_10').className='';
	document.getElementById('tab_11').className='';
	document.getElementById('tab_12').className='';
	document.getElementById('tab_13').className='';	
	document.getElementById(element2).className='selected';
}
function changeddk(element)
{
	document.getElementById('webinar').style.display = "none";
	document.getElementById('free_trial').style.display = "none";
	document.getElementById('live_demo').style.display = "none";
	document.getElementById('free_consult').style.display = "none";
	document.getElementById('free_audit').style.display = "none";
	document.getElementById('tech_white_paper').style.display = "none";
	document.getElementById('doc').style.display = "none";	
	var element =  document.getElementById(element);
	element.style.display = "block";
}