function LC_openfenetre(mypage,myname,w,h,scroll,resizable,pos){

            if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}

            if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}

            else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}

            settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable='+resizable+'';

            win1=window.open(mypage,myname,settings);

            win1.focus(myname);

        }