      /*
      args[0] --> Name
      args[1] --> Be checked Value
      args[2] --> alert Informations , if set 'NULL' , no message;
      args[3] --> return back data  , if set 'NULL' , no more data return back;
      */
function chkFormValue(){
 var i=0,o,d=document,args = arguments,att;
 for(i=0;i<args.length;i+=4){
     if(o=d.all[args[i]]){  //alert(args[i]);
        att = d.all[args[i]].value;
        if(att == args[i+1]){
           if(args[i+3] != null) att = args[i+3];		
           if(args[i+2] != null) alert(args[i+2]);
		   o.focus();
           return false;
        }
     }
 }
 return true;
}