// preload nav imagesvar about_us = new Image();about_us.src = "../images/nav/ind_nav_about_ov.gif";var services = new Image();services.src = "../images/nav/ind_nav_services_ov.gif";var current_listings = new Image();current_listings.src = "../images/nav/ind_nav_current_ov.gif";var contact_us = new Image();contact_us.src = "../images/nav/ind_nav_contact_ov.gif";// preload form buttonsvar submit = new Image();submit.src = "../images/buttons/ind_submit_ov.gif";var subscribe = new Image();subscribe.src = "../images/buttons/ind_subscribe_ov.gif";// Type the number of images you are rotating. NumberOfImagesToRotate = 7; // Specify the first and last part of the image tag. FirstPart = '<img src="../images/main/ind_main'; LastPart = '.jpg" height="194" width="650" border="0">'; function printImage(){ 	var r = Math.ceil(Math.random() * NumberOfImagesToRotate); 	document.write(FirstPart + r + LastPart); }function showServices(){	document.getElementById("services").src='../images/nav/ind_nav_services_ov.gif';	document.getElementById("services_nav").style.display = "block";}function hideServices(){	document.getElementById("services").src='../images/nav/ind_nav_services.gif';	document.getElementById("services_nav").style.display = "none";}function onclickClear( thisfield, defaulttext ){	if ( thisfield.value == defaulttext )	{		thisfield.value = "";	}}