var DOM = document.createElement && document.getElementsByTagName;


		maxKeys = 500;


        function txtshow( txt2show ) {
            
            // Detect Browser

            if (DOM) {
		var viewer = document.getElementById("txtmsg");
                viewer.innerHTML=txt2show;
       }
           else if(IE) {
                var viewer= document.all["txtmsg"];
				
				 viewer.innerHTML=txt2show;
           }
        }

function keyup(what) 
{
  var str = new String(what.value);
  var len = str.length;
  var showstr = "<span style='font-size:12px; font-weight:bold;>" + len + " / " + maxKeys + "</span>"  ;
  if (len > maxKeys) showstr += "<span style='font-size:12px; color:red;'>Limit Exceeded</span></span>" ;
  
  txtshow( showstr );
}