<!--

function open_center(loc, name, params, Wwidth, Wheight)	{
	Swidth = screen.width;
	Sheight = screen.height;		
	Wleft = (Swidth / 2) - (Wwidth / 2) - 8;
	Wtop = (Sheight / 2) - (Wheight / 2) - 20;		
	params = params+",left="+Wleft+",top="+Wtop+",width="+Wwidth+",height="+Wheight;
	window.open(loc, name, params);
	//<a href="javascript: open_center('http://www.renascenca.br/functions/showimages/default.asp?Path=Colegio/Noticias/imagens/dorot/','Images','status=no,resizable=no,location=no,toolbars=no,links=no',435,540);">abrir janela </a> 
}
	
//-->
