var doneloading = 0;
var curArea = "";
function loadnav() {
  if (document.images) {

    nav_images = new Array("retnav_about", "retnav_auto", "retnav_cardcare", "retnav_careers", "retnav_contact", "retnav_custom", "retnav_fixed", "retnav_fleet", "retnav_locations", "retnav_packages", "retnav_tips", "retnav_tires", "comnav_services", "comnav_about", "comnav_locations", "comnav_bandag", "comnav_careers", "comnav_contact"
    );
    for(i=0;i<nav_images.length;i++) {
      newimg = new Image();
      newimg.src = "/images/"+nav_images[i]+".gif";
      newimg = new Image();
      newimg.src = "/images/"+nav_images[i]+"_r.gif";
    }
    return 1;
  }
  return 0;
}
function setCurrent(img, doneloading) {
  var loaddone = typeof(doneloading);
  if (document.images && loaddone!= "undefined") {
    var typeofImg = eval("typeof(document.images['"+img+"'])");
    if(typeofImg!="undefined") {
      if(doneloading==1)
        eval("document."+img+".src = '/images/"+img+"_c.gif'");
    }
  }
}
function rollOn(img, doneloading) {
  if(img!=curArea) {
    var loaddone = typeof(doneloading);
    if (document.images && loaddone!= "undefined") {
      var typeofImg = eval("typeof(document.images['"+img+"'])");
      if(typeofImg!="undefined") {
        if(doneloading==1)
          eval("document."+img+".src = '/images/"+img+"_r.gif'");
      }
    }
  }
}
function rollOff(img, doneloading) {
  if(img!=curArea) {
    var typeofImg = eval("typeof(document.images['"+img+"'])");
    if(typeofImg!="undefined") {
      var loaddone = typeof(doneloading);
      if (document.images && loaddone!= "undefined") {
        if(doneloading==1)
          eval("document."+img+".src = '/images/"+img+".gif'");
      }
    }
  }
}
function clickButton(e, buttonid) {
  var bt = document.getElementById(buttonid);
  if (typeof bt == 'object'){
    if(navigator.appName.indexOf("Netscape")>(-1)) {
      if (e.keyCode == 13) {
        bt.click();
        return false;
      }
    }  
    if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)) {
      if (event.keyCode == 13) {
        bt.click(); 
        return false;
      }
    }
  }
}

function setCss() {

  if (document.getElementById) {
    if(document.getElementById('ret_nav') && document.getElementById('ret_content_inner')) {
      document.getElementById('ret_nav').style.height = "auto";
      document.getElementById('ret_content_inner').style.height = "auto";
      
      if(document.getElementById('ret_nav').offsetHeight > document.getElementById('ret_content_inner').offsetHeight) {
        document.getElementById('ret_content_inner').style.height = document.getElementById('ret_nav').offsetHeight + "px";
      }
 
    } else if(document.getElementById('com_nav') && document.getElementById('com_content_inner')) {
      document.getElementById('com_nav').style.height = "auto";
      document.getElementById('com_content_inner').style.height = "auto";
      
      if(document.getElementById('com_nav').offsetHeight > document.getElementById('com_content_inner').offsetHeight) {
        document.getElementById('com_content_inner').style.height = document.getElementById('com_nav').offsetHeight + "px";
      }
 
    }
  }
}
window.onload = function() {
  setCss();
  doneloading = loadnav();
}