function showtab(element1,element2)
{
	
	document.getElementById('webinar').style.display="none";
	document.getElementById('trainings').style.display="none";
	document.getElementById('news').style.display="none";
	document.getElementById('resources').style.display="none";	
	var element=document.getElementById(element1);
	element.style.display="block";
	
	document.getElementById('tab_1').className='';
	document.getElementById('tab_2').className='';
	document.getElementById('tab_3').className='';
	document.getElementById('tab_4').className='';	
	document.getElementById(element2).className='selected';
}
function changeddk1(element)
{
	document.getElementById('Other').style.display = "none";	
	var element =  document.getElementById(element);
	element.style.display = "block";
}