function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
window.onload = function ()
{
	MM_preloadImages('assets/images/nav/nav_about.gif','assets/images/nav/nav_about_on.gif','assets/images/nav/nav_weedman.gif','assets/images/nav/nav_weedman_on.gif','assets/images/nav/nav_beltway.gif','assets/images/nav/nav_beltway_on.gif','assets/images/nav/nav_praise.gif','assets/images/nav/nav_praise_on.gif','assets/images/nav/nav_press.gif','assets/images/nav/nav_press_on.gif','assets/images/nav/nav_contact.gif','assets/images/nav/nav_contact_on.gif');
}