function checkform(frm1)
{
	
    if (!check_empty(document.frm1.txtFname.value))
    { 
		validity = false; alert('Please enter your First Name'); 
		frm1.txtFname.focus();
		frm1.txtFname.select();
		return false;
	}	
    if (!check_empty(document.frm1.txtLname.value))
    { 
		validity = false; alert('Please enter your Last Name'); 
		frm1.txtLname.focus();
		frm1.txtLname.select();
		return false;
	}		
    if (!check_empty(document.frm1.txtEmail.value))
    { 
		validity = false; alert('Please enter your Email Address'); 
		frm1.txtEmail.focus();
		frm1.txtEmail.select();
		return false;
	}	
    if (!isEmail(document.frm1.txtEmail.value))
    { 
		validity = false; alert('Please enter a valid Email Address'); 
		frm1.txtEmail.focus();
		frm1.txtEmail.select();
		return false;
    }
    if (!check_empty(document.frm1.txtPhone.value))
    { 
		validity = false; alert('Please enter your Phone Number'); 
		frm1.txtPhone.focus();
		frm1.txtPhone.select();
		return false;
	}
    if (!check_empty(document.frm1.txtCompany.value))
    { 
		validity = false; alert('Please enter your Company Name'); 
		frm1.txtCompany.focus();
		frm1.txtCompany.select();
		return false;
	}
    if (!check_empty(document.frm1.txtTitle.value))
    { 
		validity = false; alert('Please enter your Title'); 
		frm1.txtTitle.focus();
		frm1.txtTitle.select();
		return false;
	}		
	if (!check_empty(document.frm1.txtComments.value))
    { 
		validity = false; alert('Please enter your Question/Comments'); 
		frm1.txtComments.focus();
		frm1.txtComments.select();
		return false;
	}	
}
//--------------------------------------------------------------

function check_empty(text)
{
	  return (text.length > 0); // returns false if empty
}

function isEmail(str) {
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}