// Start Image rollovers

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];}
}

// End Image rollovers

// form validation

function CheckFields() {

  // The fields are checked for blanks
  if ( document.pform.name.value   == "" ||
       document.pform.review.value  == "" ||
       document.pform.Email.value  == "" ) {
     alert( "You haven't completed the form.\nPlease ensure that all boxes are filled in." );
     
  }

// check for valid email address
else if ( document.pform.Email.value.length <= 6 ||
      document.pform.Email.value.indexOf ('@', 0) == -1 ||
      document.pform.Email.value.indexOf ('.', 0) == -1){

      alert("Sorry, " + document.pform.Email.value + " is not a valid Email Address.");
      
 }

  else { 
  

 document.pform.submit()
}

}
function CheckFields2() {

  // The fields are checked for blanks
  if ( document.pform.firstname.value   == "" ||
       document.pform.lastname.value   == "" ||
       document.pform.postcode.value  == "" ||
       document.pform.Email.value  == "" ) {
     alert( "You haven't completed the form.\nPlease ensure that all boxes are filled in." );
     
  }

// check for valid email address
else if ( document.pform.Email.value.length <= 6 ||
      document.pform.Email.value.indexOf ('@', 0) == -1 ||
      document.pform.Email.value.indexOf ('.', 0) == -1){

      alert("Sorry, " + document.pform.Email.value + " is not a valid Email Address.");
      
 }

  else { 
  

 document.pform.submit()
}

}

// end form validation

function CheckFields3() {

  // The fields are checked for blanks
  if ( document.pform.firstname.value   == "" ||
       document.pform.lastname.value   == "" ||
       document.pform.book.value   == "" ||
       document.pform.Email.value  == "" ||
       document.pform.message.value  == "" ) {
     alert( "You haven't completed the form.\nPlease ensure that all boxes are filled in." );
     
  }

// check for valid email address
else if ( document.pform.Email.value.length <= 6 ||
      document.pform.Email.value.indexOf ('@', 0) == -1 ||
      document.pform.Email.value.indexOf ('.', 0) == -1){

      alert("Sorry, " + document.pform.Email.value + " is not a valid Email Address.");
      
 }

  else { 
  

 document.pform.submit()
}

}

// end form validation