var current = '';
function dropDown(id)
{
	var element = document.getElementById(id+'l');
	//var dt = document.getElementById(id);
	
	if(element.style.color == 'orange') 
	{
		element.style.color = '#fff';
	}
	else
	{
		if(current != '') current.style.color = '#fff';
		element.style.color = 'orange';
		current = element;
	}
}

window.onload = function getDt()
{
	var container = document.getElementById('dl');
	var arrayDt = container.getElementsByTagName('dt');
		
	for(i=0 ; i<arrayDt.length ; i++)
	{
		arrayDt[i].onmouseover = function(){dropDown(this.id);}
		arrayDt[i].onmouseout = function(){dropDown(this.id);}
	}
}