/*
Variation of scripts: http://codingforums.com/archive/index.php?t-295.html
*/
function openpopup(popurl,w,h,settings){
t=screen.height/2-h/2;
l=screen.width/2-w/2;
settings+="width="+w+",height="+h+",top="+t+",left="+l+",screenX="+l+",screenY="+t ;
winpops=window.open(popurl,"",settings)
}