function abreHelp() {  
	var opcoes = "status=no,scrollbars=yes";
	newWindow=openCenteredWindow('help.asp', 250, 400, "Help", opcoes);
}


function showImpresso(imagem) {  
	var opcoes = "status=no,scrollbars=yes";
	newWindow=openCenteredWindow('showImage.asp?imagem=' + imagem, 560, 720, "View", opcoes);
}

function showImage(imagem) {  
	var opcoes = "status=no,scrollbars=no";
	newWindow=openCenteredWindow('showImage.asp?imagem=' + imagem, 560, 720, "View", opcoes);
}

function showMidia(midia,titulo) {  
	var opcoes = "status=no,scrollbars=no";
	newWindow=openCenteredWindow('showMidia.asp?midia=' + midia + '&titulo=' + titulo, 350, 450, "Midia", opcoes);
}


function openCenteredWindow(url, height, width, name, parms) {
   var left = Math.floor( (screen.width - width) / 2) - 10 ;
   var top = Math.floor( (screen.height - height) / 2) - 20;
   var winParms = "top=" + top + ",left=" + left + ",height=" + height + ",width=" + width;
   if (parms) { winParms += "," + parms; }
   var win = window.open(url, name, winParms);
   if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
   return win;
}