function validate()
 {
 
 if(document.form.text1.value == "")
  {
   alert("Please fill Your Name.")
   document.form.text1.focus()
   return false;
  }

 if(document.form.text2.value == "")
   {
   alert('Please enter Your Email address');
   document.form.text2.focus();
   return false;
   }
 
  if(document.form.text2.value.indexOf("@",0) < 0)
   {
   alert('Please enter a valid email address!');
   document.form.text2.focus();
   return false;
   }
  if(document.form.text2.value.indexOf(".",0) < 0)
   {
   alert('Please enter a valid email address!');
   document.form.text2.focus();
   return false;
   }
  if(document.form.text2.value.indexOf(" ",0) >= 0)
   {
   alert('Email address cannot have spaces');
   document.form.text2.focus();
   return false;
   }  


 if(document.form.text3.value == "")
  {
   alert("Please add your message and any other details if you wish")
   document.form.text3.focus()
   return false;
  }

return true;
}