function checkFields(theform) 
{
	var aTypearr = document.getElementsByName("aType");
	if (!aTypearr[3].checked)
	{
	    if(trimit(theform.usersearch.value) == "")  
		{
			alert("Please enter a search word");
			theform.usersearch.focus();
			return (false);
			
		}
		if(trimit(theform.usersearch.value).length == 1)  
		{
			alert("Please enter a more specific word");
			theform.usersearch.focus();
			return (false);
			
		}
	}
}

function showChainMember(i)
{
	
	var aTypearr = document.getElementsByName("aType");
	var isShow = aTypearr[i].value	
	if (isShow != "Park")
	{
		//searchForm.usersearch.value = ""
		document.getElementById("member_search").style.visibility = "hidden";
		document.getElementById("member_search").style.position = "absolute";
	}
	else
	{	
		//searchForm.usersearch.value = "park"
		document.getElementById("member_search").style.visibility = "visible";
		document.getElementById("member_search").style.position = "relative";
	}

}
function showState(i)
{		
	document.getElementById("State").selectedIndex = 0;
	document.getElementById("tatype").selectedIndex = 0;
	document.getElementById("eventtype").selectedIndex = 0;
	var aTypearr = document.getElementsByName("aType");
	var isShow = aTypearr[i].value
	
	if ((isShow == "Forum") || (isShow =="Editorial") || (isShow =="All"))
	{
		
		document.getElementById("state_search").style.visibility = "hidden";
		document.getElementById("state_search").style.position = "absolute";
	}
	else
	{
		
		document.getElementById("state_search").style.visibility = "visible";
		document.getElementById("state_search").style.position = "relative";
	}

}
function showEventType(i)
{
	
	var aTypearr = document.getElementsByName("aType");
	var isShow = aTypearr[i].value
	
	if (isShow == "Event")
	{
		document.getElementById("event_search").style.visibility = "visible";
		document.getElementById("event_search").style.position = "relative";
		document.getElementById("ta_search").style.visibility = "hidden";
		document.getElementById("ta_search").style.position = "absolute";
	}	
	else if (isShow == "Attraction")
	{
		document.getElementById("event_search").style.visibility = "hidden";
		document.getElementById("event_search").style.position = "absolute";
		document.getElementById("ta_search").style.visibility = "visible";
		document.getElementById("ta_search").style.position = "relative";
	}
	else
	{
		document.getElementById("event_search").style.visibility = "hidden";
		document.getElementById("event_search").style.position = "absolute";
		document.getElementById("ta_search").style.visibility = "hidden";
		document.getElementById("ta_search").style.position = "absolute";
	}

}

function chkboxToRadio(i,j)
{	
	var memarr = document.getElementsByName("member");
	memarr[i].checked = false;
	memarr[j].checked = false;
}

function trimit(input)
{
  var lre = /^\s*/;
  var rre = /\s*$/;
  input = input.replace(lre, "");
  input = input.replace(rre, "");
  return input;
}