function change1(a){
        a.style.opacity = 100/10;
     a.style.filter = 'alpha(opacity=' + 100*10 + ')';
    }
 function removecolor(a){
  var browser=navigator.appName;
   
 var b_version=navigator.appVersion;
 var version=parseFloat(b_version);
 if ((browser=="Microsoft Internet Explorer")&& (version>=4))
   {

   a.style.opacity =50;
   a.style.filter = 'alpha(opacity=' + 50 + ')';
  }
  if ((browser=="Netscape")&& (version>=4))
   {

   a.style.opacity =0.5;
   a.style.filter = 'alpha(opacity=' + 0.5 + ')';
  }
   
 }
var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false");