// JavaScript Document - Clear text field on click, restore text if no value entered

function clickclear(thisfield, defaulttext) {
if (thisfield.value == defaulttext) {
thisfield.value = "";
}
}

function clickrecall(thisfield, defaulttext) {
if (thisfield.value == "") {
thisfield.value = defaulttext;
}
}

var whitespace = " \t\n\r";
	function isStringFilled (s) {
	var i;
		if ((s == null) || (s.length == 0)) return false;
		for (i = 0; i < s.length; i++) {
			var c = s.charAt(i);
			if (whitespace.indexOf(c) == -1) return true;			
		}
		return false;
	
	}

function checkSearch(t) {
	var searchWord = document.frmSearch.searchword.value;
	if (!isStringFilled(searchWord) || searchWord.substring(0,18) == "search by style or") {
		alert("Search cannot be performed using a blank search field.");
		document.frmSearch.searchword.focus();
		return false;
	}
	return true;
}