function window_popup(url,toolbar,scrollbars,location,statusbar,menubar,resizable,width,height){
	day=new Date();
	id=day.getTime();
	loffset=(screen.width-width)/2;
	toffset=(screen.height-height)/2;
		eval("page"+id+"=window.open(url,'"+id+"','toolbar="+toolbar+",scrollbars="+scrollbars+",location="+location+",statusbar="+statusbar+",menubar="+menubar+",resizable="+resizable+",width="+width+",height="+height+",left="+loffset+",top="+toffset+"');");
}