var win=null;
function popUp(linkpage,w,h) {
LeftPosition=(screen.width)?(screen.width-w)/2:100;
TopPosition=(screen.height)?(screen.height-h)/2:100;
win=window.open(linkpage, 'Content', 'toolbars=0, location=0, scrollbars=1, statusbars=0, menubars=0, resizable=1, width='+w+', height='+h+', left = '+LeftPosition+', top = '+TopPosition+'');
if(win.focus){win.focus();}}
function CloseNewWin(){if(win!=null && win.open)win.close()}
window.onfocus=CloseNewWin;