function Validate(frmTmp)
{
  if(frmTmp.name.value == null || frmTmp.name.value == "")
	{
		alert("Please enter your name");
    frmTmp.name.focus();
    frmTmp.name.select();
    return false;
  }
  
	if(frmTmp.email.value == null || frmTmp.email.value == "")
	{
  	alert("Please enter your e-mail");
    frmTmp.email.focus();
    frmTmp.email.select();
    return false;
  }
	else if(frmTmp.email.value.indexOf('@') == -1 || frmTmp.email.value.indexOf('.') == -1)
	{
  	alert("Please enter a valid e-mail");    
		frmTmp.email.focus();
    frmTmp.email.select();
    return false;
	}
	
  if(frmTmp.subject.value == null || frmTmp.subject.value == "")
	{
		alert("Please enter a subject");
    frmTmp.subject.focus();
    frmTmp.subject.select();
    return false;
  }	

	if(frmTmp.comments)
	{
		if(frmTmp.comments.value == null || frmTmp.comments.value == "")
		{
			alert("Please enter your comments");
			frmTmp.comments.focus();
			frmTmp.comments.select();
			return false;
		}
  }
	
	return true;
}