if (document.images) {
    nav_home_rest       = new Image();
    nav_home_rest.src   = (nav1key=='home') ? "images/nav_home_select.png" : "images/nav_home_rest.png" ;
    nav_home_hover     = new Image() ;
    nav_home_hover.src = "images/nav_home_hover.png" ;

    nav_products_rest       = new Image();
    nav_products_rest.src   = (nav1key=='products') ? "images/nav_products_select.png" : "images/nav_products_rest.png" ;
    nav_products_hover     = new Image() ;
    nav_products_hover.src = "images/nav_products_hover.png" ;

    nav_solutions_rest       = new Image();
    nav_solutions_rest.src   = (nav1key=='newsolutions') ? "images/nav_solutions_select.png" : "images/nav_solutions_rest.png" ;
    nav_solutions_hover     = new Image() ;
    nav_solutions_hover.src = "images/nav_solutions_hover.png" ;

    nav_casestudies_rest       = new Image();
    nav_casestudies_rest.src   = (nav1key=='casestudies') ? "images/nav_casestudies_select.png" : "images/nav_casestudies_rest.png" ;
    nav_casestudies_hover     = new Image() ;
    nav_casestudies_hover.src = "images/nav_casestudies_hover.png" ;

    nav_news_rest       = new Image();
    nav_news_rest.src   = (nav1key=='news') ? "images/nav_news_select.png" : "images/nav_news_rest.png" ;
    nav_news_hover     = new Image() ;
    nav_news_hover.src = "images/nav_news_hover.png" ;

    nav_resource_rest       = new Image();
    nav_resource_rest.src   = (nav1key=='resource') ? "images/nav_resource_select.png" : "images/nav_resource_rest.png" ;
    nav_resource_hover     = new Image() ;
    nav_resource_hover.src = "images/nav_resource_hover.png" ;

    nav_alliances_rest       = new Image();
    nav_alliances_rest.src   = (nav1key=='alliances') ? "images/nav_alliances_select.png" : "images/nav_alliances_rest.png" ;
    nav_alliances_hover     = new Image() ;
    nav_alliances_hover.src = "images/nav_alliances_hover.png" ;

    nav_company_rest       = new Image();
    nav_company_rest.src   = (nav1key=='company') ? "images/nav_company_select.png" : "images/nav_company_rest.png" ;
    nav_company_hover     = new Image() ;
    nav_company_hover.src = "images/nav_company_hover.png" ;

}




function showSelectedNav1()
{
    buttonup('nav_home');
    buttonup('nav_products');
    buttonup('nav_solutions');
    buttonup('nav_casestudies');
    buttonup('nav_news');
    buttonup('nav_resource');
    buttonup('nav_alliances');
    buttonup('nav_company');
}
addLoadEvent( showSelectedNav1 );



function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "_hover.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "_rest.src" );
    }
}