function mom(m){
    var ident=m.id.replace(/btn_/,"").replace(/btn2_/,"");
    if (currMenu != ident) {
        var i = document.getElementById("img_" + ident);
        if (i.src != "undefined" && i.src != null) {
            if (i.src.indexOf("_1") > -1) {
                var newsrc = i.src.replace(/_1/, "_2");
                i.src = newsrc;
            } else {
                if (i.src.indexOf("_2") > -1) {
                    var newsrc = i.src.replace(/_2/, "_1");
                    i.src = newsrc;
                }
            }
        }
    }
}
function mc(m){    
    window.location=m;
}
function sm(m){
    currMenu=m;    
	var i = document.getElementById("img_"+m);    	
	if(i){
	    var newsrc = i.src.replace(/_1/,"_2");
	    i.src=newsrc;    	
	}
}
//Get cookie routine by Shelley Powers 
function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    // if cookie exists
    if (offset != -1) { 
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      if (end == -1) end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset, end))
      }
   }
  return returnvalue;
}
 var viewportwidth;
 var viewportheight;
 if (typeof window.innerWidth != 'undefined')
 {
      viewportwidth = window.innerWidth,
      viewportheight = window.innerHeight
 }
 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth !=
     'undefined' && document.documentElement.clientWidth != 0)
 {
       viewportwidth = document.documentElement.clientWidth,
       viewportheight = document.documentElement.clientHeight
 }
 else
 {
       viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
       viewportheight = document.getElementsByTagName('body')[0].clientHeight
 }