//preload subnav
preload("subnav_voice_on", "images/subnav/voice_on.gif");
preload("subnav_voice_off", "images/subnav/voice_off.gif");
preload("subnav_data_on", "images/subnav/data_on.gif");
preload("subnav_data_off", "images/subnav/data_off.gif");
preload("subnav_hosting_on", "images/subnav/hosting_on.gif");
preload("subnav_hosting_off", "images/subnav/hosting_off.gif");
preload("subnav_security_on", "images/subnav/security_on.gif");
preload("subnav_security_off", "images/subnav/security_off.gif");
preload("subnav_monitoring_on", "images/subnav/monitoring_on.gif");
preload("subnav_monitoring_off", "images/subnav/monitoring_off.gif");


//functions for preloading and changing images 
function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

function popUp(URL,w,h) {
    day = new Date();
    id = day.getTime();
    eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width="+w+",height="+h+",left = 500,top = 400');");
}