var newWin = null;


function checkWin() {
	if (newWin && newWin.open && !newWin.closed) { newWin.close(); }
}


function showWin(url,name,bar,loc,menu,scroll,width,height,posx,posy) {
	if (newWin && newWin.open && !newWin.closed) { newWin.close(); }
    	var str = "'toolbar=" + bar + ",location=" + loc + ",directories=0,status=1,menubar=" + menu + ",scrollbars=" 
		+ scroll + ",resizable=1,copyhistory=0,width=" + width + ",height=" + height + ",left" 
		+ posx + ",top=" + posy + "'\"";
    	newWin = window.open(url,name,str); 
}