function abrirjanela(url, largura, altura, atributos) {


		topo = ((screen.availHeight/2) - (altura/2));
		esquerda = ((screen.availWidth/2) - (largura/2));
		
		//largura += 6;
		//altura += 45;
		//largura += "px";
		//altura += "px";

		//window.showModalDialog(url, "", "center=yes;help=no;dialogWidth="+largura+"; dialogheight="+altura);
		
		sep = window.open(url, "JANELA", "height=" + altura + ",width=" + largura + ",left=" + esquerda + ",top=" + topo + ",scrollbars=" +atributos);
}
	
function imprimir(){
	 p=window.open('about:blank','Print','width=600,height=350,scrollbars=1,directories=0,left=0,location=0,menubar=0,resizable=1,status=1,toolbar=0,top=0',true);
	 p.document.open(); 
	 p.document.write('<STYLE type="text/css">td{font-family:Verdana,Arial,sans-serif;font-size:10px;color:#000000}</STYLE>');
	 p.document.write(document.all.tdImprimir.innerHTML);
	 p.document.close();
	 p.print();
}