function getPreviousTR(node){
	var e=node;
	do{
		e=e.previousSibling;
	}while (e.tagName!='TR');
	return e;
}

function togglefield(sender,truevalue,relation,hideablefield) {
	var hideableline1=document.getElementsByName(hideablefield)[0].parentNode.parentNode;
	var displaying='none';

	if ((sender.value!=truevalue) && (relation=='!=')) {
		displaying='';
	}
	if ((sender.value==truevalue) && (relation=='==')) {
		displaying='';
	}
	if (relation=='wired') {
		displaying=truevalue;
	}
	
	var hideableline2;
	hideableline2=getPreviousTR(hideableline1);

	hideableline1.style.display=displaying;
	hideableline2.style.display=displaying;
}

function kerdoivinitpage() {
	var fields=new Array('doboz_kitol_egyeb','program_miert','elegedett_altalanos_miert',
		'tars_ki','tobbszolgaltatas_mit','doboz_udulestovabb_mennyivel',
		'hianyzoprogram_mi','ajandekutalvanyhasznalat_nehezseg');
	for (var i=0;i<fields.length;i++) {
		node=document.getElementsByName('kerdoiv['+fields[i]+']')[0];
		if (node.value.length==0){
			node.parentNode.parentNode.style.display='none';
			getPreviousTR(node.parentNode.parentNode).style.display='none';
		}
	}
}