function checkcontactform()
  {
   if (contactform.fullname.value=="")
   {
   alert(" Name cannot be blank .")
   contactform.fullname.focus()
   }
   else if (!isAlpha(contactform.fullname.value))
   {
   alert(" Enter your name correctly .")
   contactform.fullname.focus()
   contactform.fullname.select()
   }
   else if (!validEmail(contactform.eid.value))
   {
   alert(" Enter your Email ID correctly .")
   contactform.eid.focus()
   contactform.eid.select()
   }
   else if (contactform.contactno.value=="")
   {
   alert(" Please enter your Contact No. \n Don't leave it blank.")
   contactform.contactno.focus()
   }
   else if (!isNum(contactform.contactno.value))
   {
   alert(" Enter your Contact No. correctly .")
   contactform.contactno.focus()
   contactform.contactno.select()
   }
   else if (contactform.country.value=="none")
   {
   alert(" Please select your country .")
   contactform.country.focus()
   }
   else
   {
   contactform.action="contactus_submit.php"
   }
  }
  
  function isAlpha(passedVal)
  {
  for(i=0;i<passedVal.length;i++)
  {
  if ((passedVal.charAt(i)<"a" || passedVal.charAt(i)>"z") && (passedVal.charAt(i)<"A" || passedVal.charAt(i)>"Z") && passedVal.charAt(i)!=" " && passedVal.charAt(i)!=".")
  return false
  }
  return true
  }
  
  function isNum(val)
  {
		for(i=0;i<val.length;i++)
		{
			if ((val.charAt(i)<"0" || val.charAt(i)>"9") && (val.charAt(i)!="-") && (val.charAt(i)!="+"))
			return false
		}
		return true
  }