/**
  * INIT FUNCTIONS
  */

//// local debug vars ////
var debug = false;

// check browser /////
agent = navigator.userAgent.toLowerCase();
mac = (agent.indexOf("mac")!=-1);
win = (!this.mac) ? true : false;
msie = (agent.indexOf("msie")!=-1);
w3c = (document.getElementById) ? true : false;
iex = (document.all) ? true : false;
ns4 = (document.layers) ? true : false;