function validate(thisform)
{
	var fName=document.getElementById("fName").value
	var lName=document.getElementById("lName").value
	var email=document.getElementById("email").value
	var bedrooms=document.getElementById("bedrooms").value
	var bathrooms=document.getElementById("bathrooms").value
	var age=document.getElementById("age").value
if (fName=="" && lName=="" && email=="")
	{
      alert("All fields marked with (*) are required")
	  return false
	}
	else
		{
		  if (fName=="")
		  {
			alert("Field first name is required")
			return false
		  }
		  if (lName=="")
		  {
			alert("Field last name is required")
			return false
		  }
		  with (thisform)
		  {
			if (validate_email(email,"It's not a valid e-mail")==false)
			{
			 email.focus();
			 return false
			}
		  }	
		  if (bedrooms=="")
		  {
			alert("Field how many bedrooms? is required")
			return false
		  }
		  if (bathrooms=="")
		  {
			alert("Field how many bathrooms? is required")
			return false
		  }
		  
    }
	
}
function validate_email(field,alerttxt)
{
	with (field)
	{
		apos=value.indexOf("@")
		dotpos=value.lastIndexOf(".")
		if (apos < 1 || dotpos-apos < 2) 
		{
		  alert(alerttxt);
		  return false
		}
		else
		 {
			return true
		 }
	}
}