function clearField(name)
  {
    var fn = eval("document.dcs1." + name);
	if ((fn.value=="")||(fn.value.length <5)){return;}
	else
	{
		var firstpart = fn.value.substring(0,4);
		if ((firstpart=="your")||(firstpart=="Tele")||(firstpart=="find")) {fn.value="";}
		return;
	}
  }
// javascript code written by Cornish WebServices Ltd. www.cornishwebservices.co.uk