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" );
 company = newImage("images/mainMenu/company_hv.gif");
green = newImage("images/mainMenu/green_hv.gif");
   news = newImage("images/mainMenu/news_hv.gif");
    contact = newImage("images/mainMenu/contact_hv.gif");
	projects = newImage("images/mainMenu/projects_hv.gif");

 preloadFlag = true;
 }
}