function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		var service = newImage("images/nav-service-on.gif");
		var testimonials = newImage("images/nav-testimonials-on.gif");
		var faq = newImage("images/nav-faq-on.gif");
		var aboutus = newImage("images/nav-our-guarantee-on.gif");
		var contact = newImage("images/nav-contact-on.gif");
		var guaranteethm = newImage("images/guarantee-thm-on.jpg");
		var howtoselect = newImage("images/howtoselect-on.jpg.jpg");
		var referralProgram = newImage("images/referral-thm-on.jpg");
		var trap = newImage("images/trap-on.gif");
		var misconceptions = newImage("images/misconceptions-on.jpg");
		var bedbugs = newImage("images/bedbug-thm-on.jpg");
		preloadFlag = true;
	}
}

function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[szDivID] :
   document.getElementById ?  document.getElementById(szDivID).style :
   document.all[szDivID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") :
   (iState ? "visible" : "hidden");
}

function toggle1(id) {
document.getElementById(id).style.border="solid 1px #4D20DE";
document.getElementById(id).style.background="url(images/input_bg_focus.gif)";
}
function toggle2(id) {
document.getElementById(id).style.border="solid 1px #2D00BE";
document.getElementById(id).style.background="url(images/input_bg.gif)";
}

function referral() {
var dropdownIndex = document.getElementById('leadSource').selectedIndex;
var dropdownValue = document.getElementById('leadSource')[dropdownIndex].value;

	if (dropdownIndex == '2')	document.getElementById('referral2').innerHTML = '<input name="referral" id="referralInput" onfocus="toggle1(\'referralInput\')" onblur="toggle2(\'referralInput\')" type="text" class="input_pro input_bg" />';
	if (dropdownIndex == '2')	document.getElementById('referral1').innerHTML = 'Who referred you?';
	if (dropdownIndex != '2')	document.getElementById('referral1').innerHTML = '<img src="images/trans.gif" border="0" style="height:1px;">';
	if (dropdownIndex != '2')	document.getElementById('referral2').innerHTML = '<img src="images/trans.gif" border="0" style="height:1px;">';
}