var win = null;
function tospopup(web,tos,w,h,scroll,resize,status){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='+resize+',status='+status+''
win = window.open(web,tos,settings)
}