function checkLogin(){
		   
		   

              var USERNAME  = document.getElementById("USERNAME").value;

              var PASSWD  = document.getElementById("PASSWD").value;

 

              var returnval = true;

              

              var alertstring = " ";



              if(USERNAME == ""){

                     alertstring += "- please enter your username\n";

                     returnval = false;

              }

       

              if(PASSWD == ""){

                     alertstring += "- please enter your password\n";

                     returnval = false;

              }

              

              if(returnval == false){

                     alert(alertstring);

              }

              

              return returnval;

       }