function showHideAdvancedFlightOptions(){
   	var browser=navigator.appName;
	var show_row = ( browser == 'Microsoft Internet Explorer' ) ? 'block' : 'row-table';
   	var take = document.getElementById('afisaza').style.display;
   	if (take == 'none'){
   		document.getElementById('afis1').style.display = "none";
   		if( browser == 'Microsoft Internet Explorer' ){
   			document.getElementById('afis').style.display = show_row;
   			document.getElementById( 'afisaza' ).style.display = show_row;
   		}
   		else{
   			document.getElementById( 'afisaza' ).setAttribute( 'style', 'display:table-row' );
   			document.getElementById( 'afis' ).setAttribute( 'style', 'display:table-row' );
   		}
   	}
   	else{
   		document.getElementById('afisaza').style.display = "none";
   		if( browser == 'Microsoft Internet Explorer' ){
   			document.getElementById('afis1').style.display = show_row;
   		}
   		else{
   			document.getElementById( 'afis1' ).setAttribute( 'style', 'display:table-row' );
   		}
   		document.getElementById('afis').style.display = "none";
   		var ver = document.getElementById('afis').style.display;
   		if (ver ==  "block" || ver == "table-row"){
   			document.getElementById('afis').style.display = "none";
   		}
   	}
}



function showHideFlightTypeFields(id) {
	state_block = 'block';
	state_none = 'none';
	
	if (id == 'round_trip') {
		searchid = document.getElementById('section_from_to');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
		searchid = document.getElementById('section_departure');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
		searchid = document.getElementById('retur');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
		searchid = document.getElementById('section_multileg');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
	}
	else if(id == 'one_way') {
		searchid = document.getElementById('section_from_to');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
		searchid = document.getElementById('section_departure');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
		searchid = document.getElementById('retur');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
		searchid = document.getElementById('section_multileg');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
	}
	else if(id == 'multi_leg') {
		searchid = document.getElementById('section_from_to');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
		searchid = document.getElementById('section_departure');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
		searchid = document.getElementById('retur');
		if (searchid != undefined) {
			searchid.style.display = state_none;
		}
		searchid = document.getElementById('section_multileg');
		if (searchid != undefined) {
			searchid.style.display = state_block;
		}
	}
		
}