<!--
       function trimString(s) {
          // Remove leading spaces and carriage returns

          while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
          {
            s = s.substring(1,s.length);
          }

          // Remove trailing spaces and carriage returns

          while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
          {
            s = s.substring(0,s.length-1);
          }
          return s;
        }
        
        function valButton(btn) {
            var cnt = -1;
            for (var i=0; i < btn.length; i++) {
               if (btn[i].checked) {cnt = i; i = btn.length;}
            }
            if (cnt > -1){
                return btn[cnt].value;
            }
            else{
                return null;
            }
        }        
        
		function isMultiSelectBoxEmpty(opt) {
		  var index = 0;
		  for (var intLoop=0; intLoop < opt.length; intLoop++) {
		   if ((opt[intLoop].selected) ||
			   (opt[intLoop].checked)) {
				return false;
			 }
		  }
		  return true;
		}
		
		function isCheckboxEmpty(field)
		{
			for (i = 0; i < field.length; i++){
				if (field[i].checked){
					return false;
				}
			}
			return true;
		}		
-->