function EmailValid(email)
	{
	
		
		if(email=="")
		{
		alert("Please enter your email")
		return false
		}
		len = email.length
		
		if((email.charAt(1)=='@')||(email.charAt(1)=='.'))
		{
		alert("Please enter a valid email address")
		return false
		}
		if((email.charAt(len-2)=='@')||(email.charAt(len-2)=='.'))
		{
		alert("Please enter a valid email address")
		return false
		}
		
				

		count=0
		dotcount=0
	for (i=0; i< email.length; i++)
		{
			if(email.charAt(i)=='@')
			count++
			if(email.charAt(i)=='.')
			dotcount++
		 }
		
			 if(count !=1)
			 	{
			 	alert("Please enter a valid email address")
			 	return false
			 	}
		
		
	return true
	}
		
function valForm()
{	
		

		if(!EmailValid(document.contact_form.email.value))
		{
		return false
		}

	return true
}


function validate_required(field,alerttxt)
{
with (first_name)
{
  if (value==null||value=="")
  {
  alert(alerttxt);return false;
  }
  else
  {
  return true;
  }
}
}

function validate_form(thisform)
{
with (thisform)
{
if (validate_required(first_name,"Please enter your first name")==false)
  {first_name.focus();return false;}
}
}