function openwindow(theURL,winName,width,height){

    popup = window.open(theURL,winName,'width='+width+',height='+height+',resizable=no,scrollbars=no,menubar=no,toolbar=no,location=no,directories=no,status=no');
    moveToCenter (popup,width,height);
}
function moveToCenter(wind, winX, winY){
	screenWidth = screen.availWidth;
	screenHeight = screen.availHeight;
	finalX = (screenWidth / 2) - (winX/2);
	finalY = (screenHeight / 2) - (winY/2);
	wind.moveTo (finalX, finalY);
}
function openwindowscroll(theURL,winName,width,height){

    popup = window.open(theURL,winName,'width='+width+',height='+height+',resizable=no,scrollbars=yes,menubar=no,toolbar=no,location=no,directories=no,status=no');
    moveToCenter (popup,width,height);
}