/* Excalibur Search JS file */

function isblank(s)
{
	for(var i=0; i<s.length; i++)
	{
        	if (s == null)
        		return true;
        	if (s.length == 0)
        		return true;

		var c = s.charAt(i);
		if((c != ' ') && (c != '\n') && (c != '\t'))
			return false;
	}
	return true;
}

/* regular search validation */
function verify()
{
	var msg;
	var SearchTerm = document.excalsrch.srchtxt.value;
	if(isblank(SearchTerm))
	{
		msg = "Please enter one or more keywords...\n";
		alert(msg);
		return false;
	}
	return true;
}

/* tv search validation */
function verifyTV()
{
	var msg;
	var SearchTerm = document.excaltv.srchtxt.value;
	if(isblank(SearchTerm))
	{
		msg = "Please enter one or more keywords...\n";
		alert(msg);
		return false;
	}
	return true;
}

/* end Excalibur Search JS file */