<!--
var gx,gy,gix,giy;
var gax=0;gay=0;
var gpx,gpy,sinalx,sinaly;
var app
//------------------
var layerRef="", styleTipo="",pTop="",pLeft="";
var vianova_processou_form=0;
function init()
{   if (navigator.appName=="Netscape")
    {   //layerRef="document.layers"; styleTipo=""; pTop=".top"; pLeft=".left";
        app=true;
    } else
    {   app=false;
    }
    layerRef="document.all"; styleTipo=".style"; pTop=".pixelTop"; pLeft=".pixelLeft";
}

function posTop(nmlayer)
{   return eval(layerRef+'["'+nmlayer+'"]'+styleTipo+pTop);

}

function posLeft(nmlayer)
{   return eval(layerRef+'["'+nmlayer+'"]'+styleTipo+pLeft);
}

function posiciona (nmlayer,ileft,itop)
{   eval(layerRef+'["'+nmlayer+'"]'+styleTipo+'.top='+itop);
    eval(layerRef+'["'+nmlayer+'"]'+styleTipo+'.left='+ileft);
}

function exibelayer(nmlayer,mostra)
{
   if (mostra==true)
   {  document.getElementById(nmlayer).style.visibility="visible";
   } else
   {   document.getElementById(nmlayer).style.visibility="hidden";
   }
}

function ativalayer(nmlayer,mostra)
{
   if (mostra==true)
   {   document.getElementById(nmlayer).style.display="";
       exibelayer(nmlayer,mostra);
   } else
   {   document.getElementById(nmlayer).style.display="none";
   }
}

function carregaimagem(nmlayer,nmimagem,origem)
{   if (navigator.appName=="Netscape2")
    {  if (nmlayer!='')
       {   eval('document.layers["'+nmlayer+'"].document.images["'+nmimagem+'"].src="'+origem+'"');
       } else
       {   eval('document.images["'+nmimagem+'"].src="'+origem+'"')
       }
    } else
    {   eval('document.'+nmimagem+'.src="'+origem+'"');
    }
}


function verifica_data(dt)
{
   if ((dt=='') || (dt.length!==10) || (dt.substr(0,2)<'01') || (dt.substr(0,2)>'31') || (dt.substr(3,2)<'01') || (dt.substr(3,2)>'12'))
      return (0);
   else
   {  if ((dt.substr(0,2)>'30') && ((dt.substr(3,2)=='02') || (dt.substr(3,2)=='04') || (dt.substr(3,2)=='06') || (dt.substr(3,2)=='09') ||(dt.substr(3,2)=='11') ))
         return (0);
      else
      {
         return (1);
      }
   }
}

// ------------------------------------
init();

function voltar(){
  if (history.length > 0){
          history.back()}
}

//-->