//Javascript file

function initiateTab() {
	document.getElementById('tab2').style.display = 'none';
	document.getElementById('tab3').style.display = 'none';
	document.getElementById('tab4').style.display = 'none';
	document.getElementById('tab5').style.display = 'none';
}

function addLoadEvent(func) 
	{
	var oldonload = window.onload;

	if (typeof window.onload != 'function') 
		{
		window.onload = func;
		} 
	else 
		{
		window.onload = function() 
			{
			if (oldonload) 
				{
				oldonload();
				}
			func();
			}
		};
	};

addLoadEvent(initiateTab);

function tab(number) 
	{
	document.getElementById('tab1').style.display = 'none';
	document.getElementById('tab2').style.display = 'none';
	document.getElementById('tab3').style.display = 'none';
	document.getElementById('tab4').style.display = 'none';
	document.getElementById('tab5').style.display = 'none';
	document.getElementById(number).style.display = 'block';

	document.getElementById('tab1button').className = 'inactive';
	document.getElementById('tab2button').className = 'inactive';
	document.getElementById('tab3button').className = 'inactive';
	document.getElementById('tab4button').className = 'inactive';
	document.getElementById('tab5button').className = 'inactive';
	document.getElementById(number + 'button').className = 'active';
	}