// JavaScript Document

var popupwindow;
function openpopupwindow(url, width, height, noscroll)
{
	var left = ( screen.width - width ) / 2;
	var top =  ( screen.height - height ) / 2;
	if(popupwindow)
	{
		if(!popupwindow.closed) popupwindow.close();
	}
	
	var scrollbar = 'yes';
	if (noscroll)
		scrollbar = 'no';
	
	var option = 'scrollbars='+scrollbar+',resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top+'';
	popupwindow = window.open(url, 'popUpWin', option);
}