// clears keyword search field
function cquery(query) {
	if (query.value == "enter keyword(s)") { query.value = ""; }
	return;
}

// fills keyword search field
function fquery(query) {
	if (isBlank(query.value)) { query.value = "enter keyword(s)"; }
	return;
}

function changeClassified(src) {
	var s = new Array("craigslist", "ebay", "amazon");
	for (i = 0; i < s.length; i++) {
		if (s[i] == src) {
			$j("#" + src).css("display", "block");
			$j("#tab-" + src).toggleClass("active");
		}
		else {
			$j("#" + s[i]).css("display", "none");
			$j("#tab-" + s[i] + ".active").toggleClass("active");
		}
	}
	return;
}

function changeBusiness(src) {
	var s = new Array("yahoo", "google");
	for (i = 0; i < s.length; i++) {
		if (s[i] == src) {
			$j("#" + src).css("display", "block");
			$j("#tab-" + src).toggleClass("active");
		}
		else {
			$j("#" + s[i]).css("display", "none");
			$j("#tab-" + s[i] + ".active").toggleClass("active");
		}
	}
	return;
}

function isIE() {
	if (navigator.appName.indexOf("Microsoft Internet Explorer") != -1) { return true; }
	else { return false; }
}

function toggle(id) {
	var e = document.getElementById(id);
	var d = "block";
	if (!isIE()) {
		if (e.insertRow) { d = "table"; }
		else if (e.insertCell) { d = "table-row"; }
	}
	if (e.style.display == "none" || e.style.display == "") { e.style.display = d; }
	else { e.style.display = "none"; }
	return;
}

function showLogin() {
	$j("#header-login").toggle();
	$j("#header-username").focus();
	return;
}

function applyRollovers() {
	var inputs = $j("input");
	for (x in inputs) {
		if (inputs[x].className == 'submit-lg' || inputs[x].className == 'submit-med' || inputs[x].className == 'submit-sm') {
			inputs[x].onmouseover = function() { this.className += "-on"; }
			inputs[x].onmouseout = function() { this.className = this.className.replace(/-on/, ""); }
		}
	}
	var image1 = new Image();
	image1.src = '/images/bg_submit_sm_on.gif';
	var image2 = new Image();
	image2.src = '/images/bg_submit_med_on.gif';
	var image3 = new Image();
	image3.src = '/images/bg_submit_lg_on.gif';
	return;
}