var currentElem;
function toggle(obj) {

            var el = document.getElementById(obj);

//    uncomment below to make either/or
//    if (currentElem && currentElem.style.display != 'none') currentElem.style.display = 'none';

            if ( el.style.display != 'none' ) {

                        el.style.display = 'none';

            }

            else {

                        el.style.display = '';

            }

    currentElem = el;

}



var win= null;
function NewWindow(mypage,myname,w,h,scroll){
var winl = (screen.width-w)/2;
var wint = (screen.height-h)/2;
var settings ='height='+h+',';
settings +='width='+w+',';
settings +='top='+wint+',';
settings +='left='+winl+',';
settings +='scrollbars='+scroll+',';
settings +='resizable=yes';
win=window.open(mypage,myname,settings);
if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}