function ValidNewSletter()
   {
   var element;
   if(document.getElementById('Footer1_NewsLetter1_txtSubscriber'))
   {
        element=document.getElementById('Footer1_NewsLetter1_txtSubscriber');
   }
   if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber'))
   {
        element=document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber');
   }
    if(element.value=='')
    {
         alert('Please enter E-mail Address.');
             if(document.getElementById('Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('Footer1_NewsLetter1_txtSubscriber').focus();
            }
            if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').focus();
            }
         return false;
    }
    else if(element.value=='Enter your Email address')
    {
            alert('Please enter email address.');
            if(document.getElementById('Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('Footer1_NewsLetter1_txtSubscriber').focus();
            }
            if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').focus();
            }
            return false;
    }
    else
    {
     var testresults;
 var str=element.value;
 var filter=/^.+@.+\..{2,3}$/

        if (filter.test(str))
          {  return true;}
        else {
         alert("Please enter valid E-mail Address.")
          if(document.getElementById('Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('Footer1_NewsLetter1_txtSubscriber').focus();
            }
            if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber'))
            {
                document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').focus();
            }
            return false;
            }
        }
 }
  function clear_text()
   {    
         if(document.getElementById('Footer1_NewsLetter1_txtSubscriber') && document.getElementById('Footer1_NewsLetter1_txtSubscriber').value=="Enter your Email address")
         {
               document.getElementById('Footer1_NewsLetter1_txtSubscriber').value="";
         }
        if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber') && document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').value=="Enter your Email address")   
       {
            document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').value="";
        }    
        return false;
  }
       
    function clear_NewsLetter(myControl)
    {
        if(myControl && myControl.value=="Enter your Email address")
           myControl.value="";
    }
    
    function ChangeNewsLetter(myControl)
    { 
    if(myControl!=null && myControl.value=='')
            myControl.value="Enter your Email address";
    }
   function Change()
   {  
         if(document.getElementById('Footer1_NewsLetter1_txtSubscriber')!=null && document.getElementById('Footer1_NewsLetter1_txtSubscriber').value=='')
            document.getElementById('Footer1_NewsLetter1_txtSubscriber').value="Enter your Email address";
        if(document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber')!=null  && document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').value=='')
            document.getElementById('ctl00_Footer1_NewsLetter1_txtSubscriber').value="Enter your Email address";
            return false;
   }