// JavaScript Document

function showHide(num)

{
	
	for (var i = 1; i<=3; i++)
	{
		var theDropdown = document.getElementById('dropdown' + i);
		
		if (i == num)
		{
			theDropdown.style.display = '';
			
		}else{
			
			theDropdown.style.display = 'none';
			
			
		}
		
	}
	
}