function win() 
{
  window.open("updates.cgi","","height=320,width=600,left=30,top=10", "poppage", "toolbars=0, scrollbars=0, location=0, statusbars=0, menubars=0");
}

function swap_img(img_name,img_src) 
{
  document[img_name].src=img_src;
}

function winpop(target,h,w) 
{
  window.open(target,"BilgePumps","height=" + h + ",width=" + w + ",left=30,top=10,toolbars=no,scrollbars=no,location=no,statusbars=no,menubars=no");
}

function validateupdate( f )
{
  a1 = f.pemail.value.indexOf("@");
  a2 = f.pemail2.value.indexOf("@");

  if(f.pname.value.length < 2)
  {
    alert("Please enter a name");
    f.pname.focus();
    return(false);
  }else if(f.pemail.value.length < 7 || a1 == -1)
  {
    alert("Please enter a valid email address");
    f.pemail.focus();
    return(false);
  }else if(f.pemail2.value.length < 7 || a2 == -1)
  {
    alert("Please enter a valid confirmation email address");
    f.pemail2.focus();
    return(false);
  }else if(f.pemail.value != f.pemail2.value)
  {
    alert("Email addresses must match");
    f.pemail.focus();
    return(false);
  }
}

function validatelogin( f )
{
  a1 = f.email.value.indexOf("@");

  if(f.userid.value.length < 2)
  {
    alert("Please enter a UserID");
    f.userid.focus();
    return(false);
  }else if(f.password.value.length < 6 || f.password.value.length > 10)
  {
    alert("Please enter a valid password");
    f.password.focus();
    return(false);
  }else if(f.name.value.length < 8)
  {
    alert("Please enter a your real first & last name");
    f.name.focus();
    return(false);
  }else if(f.email.value.length < 7 || a1 == -1)
  {
    alert("Please enter a valid email address");
    f.email.focus();
    return(false);
  }else if(f.city.value.length < 3)
  {
    alert("Please enter a your home city/state/country");
    f.city.focus();
    return(false);
  }else if(f.pbut.value.length < 2)
  {
    alert("You must enter text that matches the text in the red-black box");
    f.pbut.focus();
    return(false);
  }
}

function mlink( s1, subject )
{
  domain = "@thebilgepumps.com";
  email = s1+domain;
  
  window.location="mailto:"+email+"?subject="+subject;
}

// Javascript for the drop down menus

window.onload=show;
function show(id) 
{
  var d = document.getElementById(id);
  for (var i = 1; i<=10; i++) 
  {
    if (document.getElementById('smenu'+i)) 
    {
      document.getElementById('smenu'+i).style.display='none';
    }
  }
  if (d) 
  {
    d.style.display='block';
  }
}


function LayerSwap(num)
{
  var layer = document.getElementById("layer" + num);
  var layer0 = document.getElementById("layer0");
  var layer1 = document.getElementById("layer1");
  var layer2 = document.getElementById("layer2");
  var layer3 = document.getElementById("layer3");
  var layer4 = document.getElementById("layer4");
  var layer5 = document.getElementById("layer5");
  var layer6 = document.getElementById("layer6");
  var layer7 = document.getElementById("layer7");
  var layer8 = document.getElementById("layer8");
  var layer9 = document.getElementById("layer9");
 

  layer0.style.visibility="hidden";
  layer1.style.visibility="hidden";
  layer2.style.visibility="hidden";
  layer3.style.visibility="hidden";
  layer4.style.visibility="hidden";
  layer5.style.visibility="hidden";
  layer6.style.visibility="hidden";
  layer7.style.visibility="hidden";
  layer8.style.visibility="hidden";
  layer9.style.visibility="hidden";
  layer.style.visibility="visible";
}

function PastLayerSwap(num, maxnum)
{
  var layer = document.getElementById("layer" + num);

  for (var i = 0; i<=maxnum; i++) 
  {
    var layer2 = document.getElementById("layer" + i);
    layer2.style.visibility="hidden";
  } 
  layer.style.visibility="visible";
}

function SongLyricSwap(num, maxnum)
{
  var layer = document.getElementById("layer" + num);

  for (var i = 0; i<=maxnum; i++) 
  {
    var layer2 = document.getElementById("layer" + i);
    layer2.style.visibility="hidden";
  } 
  layer.style.visibility="visible";
}

function SongTitleSwap(num, maxnum)
{
  var layer = document.getElementById("titlelayer" + num);

  for (var i = 0; i<=maxnum; i++) 
  {
    var layer2 = document.getElementById("titlelayer" + i);
    layer2.style.visibility="hidden";
  } 
  layer.style.visibility="visible";
}

function validateform( f )
{
  if(f.userid.value.length < 1)
  {
    alert("Please enter a userid");
    f.userid.focus();
    return(false);
  }else if(f.password.value.length < 6 || f.password.value.length > 10)
  {
    alert("Password must be 6-10 characters long");
    f.password.focus();
    return(false);
  }else if(f.name.value.length < 5)
  {
    alert("Please enter your First and Last name");
    f.name.focus();
    return(false);
  }else if(f.email.value.length < 7)
  {
    alert("Please enter a valid email address");
    f.email.focus();
    return(false);
  }else if(f.city.value.length < 3)
  {
    alert("Please enter a valid City Name");
    f.city.focus();
    return(false);
  }else if(f.country.value.length < 1)
  {
    alert("Please enter a valid Country");
    f.country.focus();
    return(false);
  }else
  {
    code = f.country.value.substring(0,2);
    if(code == "US")
    {
      if(f.state.value.length < 1)
      {
        alert("Please enter a valid State or Province");
        f.state.focus();
        return(false);
      }
    }
  }
}


function validateComment( f )
{
  if(f.nameadd.value.length < 5)
  {
    alert("Please enter your First and Last name");
    f.nameadd.focus();
    return(false);
  }else if(f.textadd.value.length < 3)
  {
    alert("Please enter a comment");
    f.textadd.focus();
    return(false);
  }
}