// JavaScript Document

function shortlist(id, btn) {
	initialiseAjax();
	var args = new Array();
	args["id"] = id;
	simpleAjaxQuery('/shortlist.ajax', args, function() { 
		if (ajaxRequest.readyState==4)
		{
			try
			{
				if (ajaxRequest.status == 200)
				{
					//Data received
					var response = ajaxRequest.responseText;
					ajaxRequest = null;
					shortlist_execute(btn, response);
					//btn.innerHTML = response;
				}
				else
				{
					ajaxRequest = null;
				}
			}
			catch (e)
			{
				ajaxRequest = null;
			}
		}				
	});
}

function shortlist_execute(but, response)
{
	if (response == "1") {
		but.className = "shortlistRemove";
	} else {
		but.className = "shortlist";
	}
}

function getSelectedSort()
{
	element = document.getElementById( 'sort' );
	if( element )
		return element.value;
	else
		return 'pa';
}
function getSelectedPage()
{
	element = document.getElementById( 'num' );
	if( element )
		return element.value;
	else
		return '5';
}

function update_page( pages )
{
	document.location.href = '?back=1&results_per_page=' + getSelectedPage() + '&order=' + getSelectedSort();
}

function update_sort( direction )
{
	document.location.href = '?back=1&results_per_page=' + getSelectedPage() + '&order=' + direction;
}

function doMapSearch() {
  if( f = document.getElementById( 'advanced_search' ) ) {
  	f.action = '/search/search_map.htm';
	f.num.value = 100;
	f.submit();
  }
}

function goAdvanced(){
  if( f = document.getElementById( 'advanced_search' ) ) {
		f.form.disabled = false;
		f.advanced.disabled = !f.advanced.disabled;
    f.submit();
  }	
}

function switch_tab(tab) {
  if( f = document.getElementById( 'advanced_search' ) ) {
  	f.action = '/search/search.htm';
	f.form.disabled = false;
	f.tab.value = tab;
	f.submit();
  }
}
function cd( division ) {
	document.location.href = '/search/search.htm?division=' + division;
}

function clearNodes( element ) {
	count = element.childNodes.length;
	for (var i = 0; i < count; i++ ) {
		element.removeChild(element.childNodes[0]);
	}
}

function changeSearchDivision( element ) {
	var division = element.value;
	//alert(division);
	/*if( element.value == 1 ) {
		$('#office_area').each(function() {
			this.innerHTML = "Office:";
		});
	} else {
		$('#office_area').each(function() {
			this.innerHTML = "Area:";
		});
	}	*/
	
	if( element.value == 1 ) {
		var prices = [ 
		 [ 50000, '&pound;50k' ], 
		 [ 60000, '&pound;60k' ], 
		 [ 70000, '&pound;70k' ], 
		 [ 80000, '&pound;80k' ], 
		 [ 90000, '&pound;90k' ], 
		 [ 100000, '&pound;100k' ], 
		 [ 150000, '&pound;150k' ], 
		 [ 200000, '&pound;200k' ], 
		 [ 250000, '&pound;250k' ], 
		 [ 300000, '&pound;300k' ], 
		 [ 350000, '&pound;350k' ], 
		 [ 400000, '&pound;400k' ], 
		 [ 450000, '&pound;450k' ], 
		 [ 500000, '&pound;500k' ], 
		 [ 550000, '&pound;550k' ], 
		 [ 600000, '&pound;600k' ], 
		 [ 650000, '&pound;650k' ], 
		 [ 700000, '&pound;700k' ], 
		 [ 750000, '&pound;750k' ], 
		 [ 800000, '&pound;800k' ], 
		 [ 850000, '&pound;850k' ], 
		 [ 900000, '&pound;900k' ], 
		 [ 950000, '&pound;950k' ], 
		 [ 1000000, '&pound;1m' ]
		];
	}
	else
	{
		var prices = [ 
/*		 [ 50, '&pound;50 pm' ], 
		 [ 100, '&pound;100 pm' ], */
		 [ 150, '&pound;150 pcm' ], 
		 [ 200, '&pound;200 pcm' ], 
		 [ 300, '&pound;300 pcm' ], 
		 [ 400, '&pound;400 pcm' ], 
		 [ 750, '&pound;750 pcm' ], 
		 [ 1000, '&pound;1,000 pcm' ],
		 [ 1500, '&pound;1,500 pcm' ],
		 [ 2000, '&pound;2,000 pcm' ],
		 [ 2500, '&pound;2,500 pcm' ]
		];
	}

	for( var i = 1; i <= 2; i++ )
	{
		if( element = document.getElementById( 'quicksearch_location_' + i ) )
		{
			if( i == division )
			{
				element.style.display = '';
				element.disabled = false;
			}
			else
			{
				element.style.display = 'none';
				element.disabled = true;
			}
		}
	}

	var price_min = document.getElementById( 'price_min' );
	var price_max = document.getElementById( 'price_max' );
	
	if( price_max  )
	{
		clearNodes( price_max );
		option = document.createElement( 'option' );
		option.value = '';
		option.innerHTML = 'Maximum';
		price_max.appendChild( option );
		for( i=0; i<prices.length; i++ ) {
			option = document.createElement( 'option' );
			option.value = prices[ i ][ 0 ];
			option.innerHTML =  prices[ i ][ 1 ];
			price_max.appendChild( option );
		}
		price_max.style.display = "none";
		price_max.style.display = "block";	
	}
	
	if( price_min )
	{
		clearNodes( price_min );
		option = document.createElement( 'option' );
		option.value = '';
		option.innerHTML = 'Minimum';
		price_min.appendChild( option );
		for( i=0; i<prices.length; i++ ) {
			option = document.createElement( 'option' );
			option.value = prices[ i ][ 0 ];
			option.innerHTML =  prices[ i ][ 1 ];
			price_min.appendChild( option );
		}
		price_min.style.display = "none";
		price_min.style.display = "block";	
	
	}
}

//Trigger this on page load
$(document).ready(function() {
	quickSearchInit();	
});

function quickSearchInit(){
	$("[@name='changeDivision']").each(function() {
		if ($(this).is(":checked")) {
			changeSearchDivision( this );
		}
	});
	
	$('#changeDivision').each(function() {
		changeSearchDivision(this);
	});
}

function topLevelAreaClicked( area_id )
{
	if( !document.getElementById )
		return true;
		
	var parent = document.getElementById( "area_" + area_id );
	
	if( parent )
	{
		var selected = parent.checked;
		
		var ul_el = document.getElementById( "sub_areas_" + area_id );
		
		var sub_areas = ul_el.getElementsByTagName( "input" );
		
		for( var i = 0; i < sub_areas.length; i++ )
		{
			sub_areas.item( i ).checked = selected;
			sub_areas.item( i ).disabled = selected;
		}
	}
}

//addLoadEvent( quickSearchInit );