function popupwin(sourcefile,xsize,ysize) {
 newWin = window.open(sourcefile,"newWin","toolbar=no,location=no,scrollbars=no,width="+xsize+",height="+ysize);
 newWin.resizeTo(xsize,ysize) ;
 newWin.focus() ;
}

function popuptext(sourcefile) {
 newWin = window.open('popups/' + sourcefile + '.htm',"newWin","toolbar=no,location=no,scrollbars=no,width=400,height=200")
 newWin.title='Help'
}