function busSrchFocus(obj)
{
	if (obj.value=="Enter your search string...")
	{
		obj.value="";
	}
}


var currentBusSrchCatId = 0;
function busSrchToggleSrchCat(obj)
{
	var busCatId = obj[obj.selectedIndex].value;
	var subObj = document.getElementById("busSrchSub" + busCatId);

	if (subObj)
	{
		subObj.style.display = "block";
		var currentSubObj = document.getElementById("busSrchSub" + currentBusSrchCatId);
		currentSubObj.style.display = "none";
		currentBusSrchCatId = busCatId;
	}	
	else
	{
		var busCatId = 0;
		var subObj = document.getElementById("busSrchSub" + busCatId);
		if (subObj)
		{
			subObj.style.display = "block";
			var currentSubObj = document.getElementById("busSrchSub" + currentBusSrchCatId);
			currentSubObj.style.display = "none";
			currentBusSrchCatId = busCatId;
		}
	}			
}