var flag = false;

function checkCheckForm()
{
	var connform = document.getElementById("checkconnform");
	var errors = ['company','contman','tel','email','adress','tarif'];
	var ok = true;
	for (var i in errors)
	{
		document.getElementById("chk_frm_txt_"+errors[i]).style.background = "#ffffff";
		document.getElementById("chk_frm_cnt_"+errors[i]).style.background = "#ffffff";
		connform[errors[i]].style.background = "#ffffff";
		if (!connform[errors[i]].value)
		{
			if (document.getElementById("chk_frm_txt_"+errors[i])){
				document.getElementById("chk_frm_txt_"+errors[i]).style.background = "#ffeded";
				document.getElementById("chk_frm_cnt_"+errors[i]).style.background = "#ffeded";
				connform[errors[i]].style.background = "#ffeded";
				ok = false;
			}
			if (!flag)
			{
				flag = true;
				var addel = document.createElement('font');
				addel.color = "red";
				addel.innerHTML = fillfields;
				document.getElementById("chk_frm_cnt_tarif").appendChild(addel);
			}
		}
	}
	if (ok)
		connform.submit();
	return false;
}