function ltrim ( s )
{
    return s.replace( /^\s*/, "" );
}
//Right Trim
function rtrim ( s )
{   
    return s.replace( /\s*$/, "" );
}
//Trim
function trim ( s )
{
    return rtrim(ltrim(s));
}
function validate_search(where)
{
	var searchValue;
	if(where == 'footer')
	{
		searchValue = document.getElementById("txtSearchFooter").value;
	}
	else if(where == 'header')
	{
	        searchValue = document.getElementById("txtSearchHeader").value;
	}
	else
	{
	    searchValue = document.getElementById(txtSearchClientId).value;
	}

    searchValue = trim(searchValue);
    if(searchValue == "")
    {
        alert("Please enter one or more search keywords to search");
        return false;
    }
    if(searchValue.length <= 2)
    {
        alert("Please enter search string of atleast 3 characters.");
        return false;
    }
	if(where != "main")
	{
		try
		{
			var targetUrl = "http://www.choosechicago.com/site_search/Pages/results_pages.aspx?searchText=" + searchValue;
			window.location = targetUrl;
		}
		catch(err)
		{
		
		}
	}
	else
	{
		return true;
	}
}

function checkEnter(e) {
	var charcaterCode;
	if(e && e.which) {
		characterCode = e.which;
	}
	else
	{
		characterCode = e.keyCode;
	}
	if(characterCode == 13)
	{
		var isValidate = validate_search('main');
		if(isValidate == true)
		{
			var submitButton = document.getElementById(btnSubmitClientId);
			submitButton.click();
			return false;
		}
		return false;
	}	
}

function checkEnterHeader(e) {
	var charcaterCode;
	if(e && e.which) {
		characterCode = e.which;
	}
	else
	{
		characterCode = e.keyCode;
	}
	if(characterCode == 13)
	{
		validate_search('header');
		return false;
	}
}

function checkEnterFooter(e) {
	var charcaterCode;
	if(e && e.which) {
		characterCode = e.which;
	}
	else
	{
		characterCode = e.keyCode;
	}
	if(characterCode == 13)
	{
		validate_search('footer');
		return false;
	}
}

function checkSearchType(objDropDown)
{	

	if(objDropDown.value == "IPADDRESS")
	{
		document.getElementById("rowSelectType").style.display = "none";
	}
	else
	{
		document.getElementById("rowSelectType").style.display = "";
	}
	
}