function newImage( imgSrc ){

 var imgName = new Image();
 imgName.src = imgSrc;

 return imgName;

}

function change( imgName, imgLocation )
{
 document[imgName].src = imgLocation ;
}

var preloadFlag = false;
function loadImages()
{
 if (document.images)
 {
 //****Edit this list to include rollover state images ****
 //****Example: aboutus_over = newImage( "images/aboutus-over.gif" );
 propertysearch = newImage("/images/layout/property-search-tab-on.gif");
 ourcompany = newImage("/images/layout/our-company-tab-on.gif");
 services = newImage("/images/layout/services-tab-on.gif");
 careers = newImage("/images/layout/ERA-careers-tab-on.gif");
 contactus = newImage("/images/layout/contact-us-tab-on.gif");

 preloadFlag = true;
 }
}