//  <!--  
var btns=new Array('join_now','already_member','join_mybart','map','trip_plan','bart_schedule','login','enter_contest','sendfriend','mapsm','print');
//var navon = "";

if (document.images) {
 for (i=0;i<btns.length;i++)    {
   eval(btns[i]+"_i = new Image();");
   eval(btns[i]+"_i.src = '/images/btns/"+btns[i]+"_i.gif';");
   eval(btns[i]+"_a = new Image();");
   eval(btns[i]+"_a.src = '/images/btns/"+btns[i]+"_a.gif';");
 }
}

function btnswap(act,num) {
  if (document.images) {
	  eval("document."+btns[num]+".src="+btns[num]+"_"+act+".src;");
	}
}

/*
function imgOff(imgName) {
  if (document.images) {
	  //if(imgName != navon) {
		document[imgName].src = eval(imgName + "i.src");
	  //}
	}
}


var vnavItems=new Array('<?php echo join("','",array_keys($navdata2)); ?>');
var selectedVnav='<?= $page; ?>';
for(i=0;i<vnavItems.length;i++) {
  eval("var "+vnavItems[i]+"_i = new Image();");
  eval("var "+vnavItems[i]+"_a = new Image();");
  eval(vnavItems[i]+"_i.src = '/images/nav/"+vnavItems[i]+"_i.gif';");
  eval(vnavItems[i]+"_a.src = '/images/nav/"+vnavItems[i]+"_a.gif';");
}
function vswap(act,num) {
  if(document.images && vnavItems[num]!=selectedVnav) {
    eval("document."+vnavItems[num]+".src="+vnavItems[num]+"_"+act+".src;");
  }
}
*/

// -->