function setall(mform,mcheck) {
		var len = mform.length;
		var cstate = mcheck.checked;
    	if (mform.length != undefined)
	      {
			for (var i = 0; i < len; i++) {
				mform[i].checked = cstate;	
			}
	      } else {
	    	 mform.checked = cstate;
	      }
	}