// JavaScript Document
function abreCalc(){
	jWidth  = 400;
	jHeight = 350;
	jTop    = (screen.height - jHeight) / 2; 
	jLeft   = (screen.width - jWidth ) /2;		
	jTamPos = 'width=' + jWidth + ',height=' + jHeight + ',left=' + jLeft + ',top=' + jTop + ';';
	
	window.open('regua/Calculo.htm','Calculo','toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,' + jTamPos)
}
document.write("<table border='0' cellspacing='0' cellpadding='2'>"+
"<tr>" +
   "<td><a href='/isover/default.asp'><img src='images/btn_home.jpg' alt='Home' width='23' height='19' border='0'></a></td>"+
   "<td><a href='/isover/calculadora.htm'><img src='images/btn_calculadora.jpg' alt='Calculadora de Produtos' width='20' height='19' border='0'></a></td>"+
   "<td><a href='/isover/email.htm'><img src='images/btn_email.jpg' alt='E-mail' width='21' height='19' border='0'></a></td>"+
	"<td><a href='/isover/mapa_do_site.htm'><img src='images/btn_mapasite.jpg' alt='Mapa do Site' width='21' height='19' border='0'></a></td>" +
   "</tr>"+
"</table>")