function checkfield(loginform)
{
	ok=true
	 if(loginform.depart.value=="")
	{
		alert("Please Enter Ville de depart.")
		loginform.depart.focus()
		ok=false
	}
	 else if(loginform.departd.value=="")
	{
		alert("Please Enter Date de depart.")
		loginform.departd.focus()
		ok=false
	}
	  else if (loginform.return.value == "")
	{
		alert("Please enter Ville de retour .");
		loginform.return.focus();
		ok=false
	}
	  
	   else if(loginform.rdate .value=="")
	{
		alert("Please Enter Date de retour  .")
		loginform.rdate.focus()
		ok=false
	}
	   else if(loginform.car.value=="")
	{
		alert("Please Enter Type de voiture .")
		loginform.car.focus()
		ok=false
	}
	  else if(loginform.name.value=="")
	{
		alert("Please Enter Votre Nom.")
		loginform.name.focus()
		ok=false
	}
	  else if(loginform.email.value=="")
	{
		alert("Please Enter Votre Email .")
		loginform.email.focus()
		ok=false
	}
	 else if (!isEmailAddr(loginform.email.value))
	{
		alert("Please enter correct Votre Email");
		loginform.email.focus();
		ok=false
	} 
	 else if((loginform.mobile.value=="")||(loginform.mobile.value.charAt(0)!=9)||(loginform.mobile.value.length!=10))
		{
		alert("Please Enter Votre Tel  ")
		loginform.mobile.focus();
		ok=false
		}
		else if (loginform.services.value == "")
	{
		alert("Please Enter Autres services.");
		loginform.services.focus();
		ok=false
	}
		return ok
}
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
	var pindex = theStr.indexOf(".",index);
	if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}