// JavaScript Document


if (document.images) {
    homebuttonup       = new Image();
    homebuttonup.src   = "images/nav_btns/home_btn.gif" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/nav_btns/home_btn_rollover.gif" ;

    aboutbuttonup       = new Image();
    aboutbuttonup.src   = "images/nav_btns/about_btn.gif" ;
    aboutbuttondown     = new Image() ;
    aboutbuttondown.src = "images/nav_btns/about_btn_rollover.gif" ;
	
	servicesbuttonup       = new Image();
    servicesbuttonup.src   = "images/nav_btns/services_btn.gif" ;
    servicesbuttondown     = new Image() ;
    servicesbuttondown.src = "images/nav_btns/services_btn_rollover.gif" ;
	
	commercialbuttonup       = new Image();
    commercialbuttonup.src   = "images/nav_btns/commercial_btn.gif" ;
    commercialbuttondown     = new Image() ;
    commercialbuttondown.src = "images/nav_btns/commercial_btn_rollover.gif" ;
	
	workbuttonup       = new Image();
    workbuttonup.src   = "images/nav_btns/work_btn.gif" ;
    workbuttondown     = new Image() ;
    workbuttondown.src = "images/nav_btns/work_btn_rollover.gif" ;
	
	pricesbuttonup       = new Image();
    pricesbuttonup.src   = "images/nav_btns/prices_btn.gif" ;
    pricesbuttondown     = new Image() ;
    pricesbuttondown.src = "images/nav_btns/prices_btn_rollover.gif" ;
	
	convbuttonup       = new Image();
    convbuttonup.src   = "images/nav_btns/conv_btn.gif" ;
    convbuttondown     = new Image() ;
    convbuttondown.src = "images/nav_btns/conv_btn_rollover.gif" ;
	
	
}

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