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];}}
}

function prep_rental_form() {
 if (document.getElementById('img1')) {
   swapEngine('renter1','img1');
   MM_preloadImages('/images/nav/renter1_over.gif','/images/nav/renter2_over.gif','/images/nav/renter3_over.gif','/images/nav/renter4_over.gif','/images/nav/renter5_over.gif');
 }
}

function popUp(url,name,width,height,scroll) {
window.open(url,name,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+scroll+",resizable=0,width="+width+",height="+height);
}

if (window.addEventListener){
  window.addEventListener("load", prep_rental_form, false);
} else if (window.attachEvent){
  window.attachEvent("onload", prep_rental_form);
}