function new_browser(src,name,w,h)
	{
	   var Top=(screen.height-h)/2;
       var Left=(screen.width-w)/2;
		size=",width="+w+",height="+h+",left="+Left+",top="+Top
		browser=window.open(src,name,"resizable=no,scrollbars=no,toolbar=no,status=no,menubar=no,location=0,directories=no"+size)
	}