function washup(frm){

        if(frm.checkme.checked)                        
            checkAll(frm);
        else            
            unCheckAll(frm);
    }
    function checkAll(frm){
        for(i=0;i<frm.elements.length;i++){
            var fldname=frm.elements[i].name;
            //alert(fldname);            
                if(fldname=='msg[]'){
                    var fldvalue=frm.elements[i].value;
                    var fldname='rec'+fldvalue;
                    eval(document.getElementById(fldname).checked=true);            
                }    
                
        }
    }
    function unCheckAll(frm){
        for(i=0;i<frm.elements.length;i++){
            var fldname=frm.elements[i].name;
            if(fldname=='msg[]'){
                    var fldvalue=frm.elements[i].value;
                    var fldname='rec'+fldvalue;
                    eval(document.getElementById(fldname).checked=false);            
            }    
        }
    }