var rollOne = "images/custom_homes_over.gif";
var outOne = "images/custom_homes_off.gif";

var rollTwo = "images/current_listings_over.gif";
var outTwo = "images/current_listings_off.gif";

var rollThree = "images/stagecreek_over.gif";
var outThree = "images/stagecreek_off.gif";

var rollFour = "images/desert_over.gif";
var outFour = "images/desert_off.gif";

function doPreload() {
   var the_images = new Array('images/custom_homes_over.gif','images/current_listings_over.gif','images/stagecreek_over.gif','images/desert_over.gif');
    for(var loop = 0; loop < the_images.length; loop++) {
 	    var an_image = new Image();
	    an_image.src = the_images[loop];
    }
}

function switchImage(the_image,the_roll) {  
     document.images[the_image].src = the_roll;
}

function noSpam(user,domain) {
	locationstring = "mailto:" + user + "@" + domain;
	window.location = locationstring;
}