var screenWidth, screenHeight;
screenWidth = screen.availWidth;
screenHeight = screen.availHeight;

function abrirJanelaPrincipal(url, name) {

    features = 'directories=0,location=1,menubar=0,toolbar=0,status=1,statusbar=1,resizable=1,scrollbars=0,dependent=0';

    if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
        popWidth = screenWidth - 10;
        popHeight = screenHeight - 90;
        popLeft = 0;
        popTop = 0;

        features = features + 'innerWidth=' + popWidth + ',width=' + popWidth + ',innerHeight=' + popHeight + ',height=' + popHeight + ',left=' + popLeft + ',top=' + popTop;
    }

    win = openWindow(url, name, features);
    win.focus();
}

function openWindow(url, name, features)
{
    var win = null;
	
    win = window.open(url, name, features);
    if (window.focus) { win.focus(); }
    
    return win;
}

function exibirMensagem(msg)
{
    document.getElementById('divMensagem').style.color = 'red';
    document.getElementById('divMensagem').innerHTML = msg;
    if (msg != '') setTimeout("exibirMensagem('')", 15000);
}

function onLoad()
{
    //document.getElementById('txtLogin').focus();
    MM_preloadImages('imagens/botao_demo_02.jpg','imagens/botao_contratar_02.jpg','imagens/botao_ajuda_02.jpg');
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}