openImg = new Image();
openImg.src = "images/u1.gif";
closeImg = new Image();
closeImg.src = "images/u2.gif"; 

d = document;
opera = (navigator.userAgent.indexOf('Opera') >= 0)? true : false;
ie = (document.all && !opera)? true : false;
dom = (document.getElementById && !ie && !opera)? true : false;

if (dom || ie)
{
        d.writeln('<STYLE type="text/css">');
        d.writeln('.subcat { display: none; }');
        d.writeln('</STYLE>');
}


function disid(obj_id,imgt)
{

        if (ie) {
 
          if (!document.all[obj_id]) {return false};
          document.all[obj_id].style.display = (document.all[obj_id].style.display == "block") ? "none" : "block";
          
//BACKGROUND-IMAGE          
var elem = document.getElementById(imgt);  
if (elem){
  if (elem.className == 'cat2')     elem.className = 'cat'
  else                              elem.className = 'cat2'
}

//BACKGROUND-IMAGE          
//var SS = document.getElementById(imgt).className;
//   
//if (SS == 'cat2'){
//document.getElementById(imgt).className = 'cat';
//document.all[1].className = 'cat';
//}
//else {
//document.getElementById(imgt).className = 'cat2';
//document.all[1].className = 'cat2';
//}

       
          
          }
        else if (dom) {
          if (!document.getElementById(obj_id)) {return false};
          document.getElementById(obj_id).style.display = (document.getElementById(obj_id).style.display == "block") ? "none" : "block";}

        return false;



}


function view() { }