//Clear input box

function doClear(theText) 
{
     if (theText.value == theText.defaultValue)
{
     theText.value = ""
     }
}

// Validate emails

function checkEmail() {
  text=document.email.value;
  if (text.indexOf("@")<3){
    alert(" Please enter a valid email address.");
    return false;
  }
  if ((text.indexOf(".com")<5)&&(text.indexOf(".org")<5)
    &&(text.indexOf(".gov")<5)&&(text.indexOf(".net")<5)
    &&(text.indexOf(".co.uk")<7)&&(text.indexOf(".nl")<4)
    &&(text.indexOf(".mil")<5)&&(text.indexOf(".edu")<5)
	&&(text.indexOf(".ca")<4))
  {
     alert("  Please enter a valid email address.");
     return false;
  }
return true;
}

// Pop up window 
var win= null;
function NewWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}