document.write('<link href="http://promo2.telus.com/telustv/css/tv_new.css" rel="stylesheet" type="text/css">');   
document.write('<link href="http://promo2.telus.com/telustv/packages/css/tabs.css" rel="stylesheet" type="text/css">');       

function validateOnSubmit() {
  var errs=0; 
	var form=document.getElementById('checkAvailability'); 
	var yes=form.searchType[0].checked;
  var no=form.searchType[1].checked;
	if (yes){ 
		if (!validateTelnr(document.forms.checkAvailability2.telephone,'telephone',true)){ 
			errs += 1;
		}				
	}
  else if(no){
		if (!validatePresent(document.forms.checkAvailability2.houseNumber,'houseNumber')){
			errs += 1;
		}
		if (!validatePresent(document.forms.checkAvailability2.street,'street')){
			errs += 1;
		}
		if (!validatePresent(document.forms.checkAvailability2.city,'city')){
			errs += 1;
		}
	} 
	else {
		return false;
	}
  return (errs==0);
}