function openWin(loc,name,width,height,scrollbars) {
	var sY = (screen.height - height) / 2;
	var sX = (screen.width - width) / 2;
	popupWin = window.open(loc,name,'scrollbars='+scrollbars+',top='+sY+',left='+sX+',height='+height+',width='+width+'');
	popupWin.window.focus();
}