function winOpen(url,winName,w,h,toolbar,location,directories,status,menubar,scrollbars,resizable,top,left) {
	var myWin; 
	if(!myWin || myWin.closed) {
		myWin = window.open('" + url + "','" + winName + "','" + "width=" + w + ",height=" + h + ",toolbar=" + toolbar + ",location=" + location + ",directories=" + directories + ",status=" + status + ",menubar=" + menubar + ",scrollbars=" + scrollbars + ",resizable=" + resizable + ",top='+((screen.height/2)-(" + h/2 + "))+',left='+((screen.width/2)-(" + w/2 + "))+'" + "')
	} else { 
		myWin.focus();
	}
	void(0);
}