var objectId;
function changeClass(id)
{
	if(document.getElementById(id))
		document.getElementById(id).className='highlightOrange';
}

function activeTab(idName,nameOfPage)
{
	if(document.getElementById(idName)!='')	
	{
		document.getElementById(idName).src="images/"+nameOfPage;
		objectId=idName;
	}
	else
	{
		objectId='';
		
	}
	
}