//
function clearField( field_name )
{
	document.getElementById( field_name ).value = '';
	document.getElementById( field_name ).style.backgroundColor = '';
}

function highlightFields( field_str )
{
	var fields = field_str.split(',');
	
	for( var i=0; i<fields.length; i++ )
	{
		highlightField( fields[i], '#F6F5CF' ); 
	}
	
}


function highlightField( field_name, field_color )
{
	document.getElementById( field_name ).style.backgroundColor = field_color;
}


function formatCurrency(num) 
{
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
	num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
	cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	return (((sign)?'':'-') +  num + '.' + cents);
}	//end function

function validate_required_fields(frmName, strTextBoxes)
{
	var oForm = document.getElementById(frmName);
	
	//turn the comma separated list into an array
	var arrBoxes = strTextBoxes.split(",");
	
	error = 0;
	
	//loop thru each box and determine if the text value is empty
	for( var intCount = 0; intCount < arrBoxes.length; intCount++ )
	{
		arrBoxes[intCount] = arrBoxes[intCount].trim_spaces();
		
		//alert( "inCount: " + intCount + " - text box: -->" + arrBoxes[intCount] + "<--" );
		
		var strText = document.getElementById(arrBoxes[intCount]).value;
		
		if( strText.length == 0 )
		{
			error++;
			
		}	//end if
		
	}	//end for loop
	
	//if any errors, then user did not enter all the required fields
	if( error > 0 )
	{
		alert( "Please enter all the required fields." );
		
		valid = false;
		
	}	//end if
	
	else
	{
		valid = true;
		
	}	//end else
	
	return valid;
	
}	//end function

function pop_templates()
{
	window.open('pop_templates.php','admin_pop','width=600,height=400,scrollbars=yes,resizable=yes');	
}

//removes all spaces in a string
function removespaces() 
{
	return this.replace(/.*\S/,'');
	
}	//end function

//trims leading and trailing spaces
function trim_spaces() 
{
	return this.replace(/^\s+/,'').replace(/\s+$/,'');
	
}	//end function

function clear_image( field_id )
{
	document.getElementById( 'pg-' + field_id ).src = 'images/spacer.gif';
	document.getElementById( field_id ).value = '';
	document.getElementById( field_id + '_filename' ).value = '';
}

function clear_link( field_id )
{
	document.getElementById( field_id ).value = '';
	document.getElementById( field_id + '_text' ).innerHTML = '';
	document.getElementById( field_id + '_text' ).style.backgroundColor = '';
}


function isNumeric(sText) {
	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) {
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;
}




//assigns a new function to string types
String.prototype.removespaces = removespaces;
String.prototype.trim_spaces = trim_spaces;


// Creates a google map
var googleMapID = 0;
function GoogleMap(id, lat, lng, zoom) {
	var mapID = id+"_"+googleMapID++;
	var lat = lat;
	var lng = lng;
	var zoom = zoom || 15;
	document.writeln('<div id="'+mapID+'" class="google_map"></div>');
	if(!GBrowserIsCompatible()) {
		document.getElementById(mapID).innerHTML = '<p class="error">An error occured generating the google maps.</p>';
		return;
	}
	var map = new GMap2(document.getElementById(mapID));
	map.setCenter(new GLatLng(lat, lng), zoom);
	map.addControl(new GSmallMapControl());
	
	// To prevent memory leaks
	Event.observe(window, 'unload', function() {
		GUnload();
	});
	
	this.addPoint = function(lat, lng, text) {
		map.addOverlay(new GMarker(new GLatLng(lat, lng)))
		if(text) map.openInfoWindow(map.getCenter(), document.createTextNode(text));
	};

	this.centerAt = function(lat, lng, text) {
		map.setCenter(new GLatLng(lat, lng), zoom);
		if(text) map.openInfoWindow(map.getCenter(), document.createTextNode(text));
	};
}

function updateSearchInput() {
	var searchInput = document.getElementById('searchbox');
	var defaultText = 'search';
	   
	if(searchInput.value == '') {
		searchInput.value = defaultText;
	}
}

function clearSearchInput() {
	var searchInput = document.getElementById('searchbox');
	var defaultText = 'search';
	   
	if(searchInput.value == defaultText) {
		searchInput.value = '';
	}
}
        

function setActive(idOrElem, className) {
	$$(className || '*').each(function(elem) {
		elem.removeClassName('active');
	});
	document.getElementById(idOrElem).addClassName('active');
}

// Update the search box with suggestions(array)
function updateSearchList(suggestions) {
	var list = [];
	var popular_searches = document.getElementById('popularsearches');
	var search_list = document.getElementById('searchlist');
	suggestions.each(function(suggestion) {
		list.push('<li>');
		list.push('<a href="'+ROOT+suggestion.url+'">');
		list.push(suggestion.label);
		list.push('</a>');
		list.push('</li>');
	});
	search_list.innerHTML = list.join('');
	popular_searches.show();
	popular_searches.setOpacity(list.length > 1 ? .9 : 0);
}

/*
function searchAjax(search_url) {
	var MIN_LENGTH = 3;
	
	var bar = document.getElementById('searchbox');
	if(bar == null) return;
	bar.setAttribute("autocomplete", "off");
	bar.observe('keyup', function(event) {
		if(bar.value.length < MIN_LENGTH) {
			updateSearchList([]);
			return;
		}
		new Ajax.Request(search_url, {
			method: 'get',
			parameters: {
				ajax: 1,
				q: bar.value,
				unique: Math.random()
			},
			onSuccess: function(http) {
				var json = http.responseText.evalJSON();
				var results = [];
				for(var i = 0; i < json.result_count; i++) {
					results[i] = json.results[i];
				}
				updateSearchList(results);
			} 
		});
	});
}

if(Event != undefined) {
	Event.observe(window, 'load', function() {
		searchAjax(ROOT+'search.php');
	});
}
*/

function initClassToggle() {
	$$('input[name=type]').each(function(elem) {
		elem.observe('click', function() {
			setClassSpecificFields();
		});
	});
	setClassSpecificFields();
}

function setClassSpecificFields() {
	var state = $F('radio_class');
	if(state) {
		$$('.class_specific').each(function(elem) {
			elem.show();
		});
	} else {
		$$('.class_specific').each(function(elem) {
			elem.hide();
		});
	}
}
/***********************************************************
 * class name functions
 ***********************************************************/

function getClassName(element) {

	var className = (document.all && document.getElementById ? element.className : element.getAttribute("class"));
	return className;

}

function setClassName(element,style) {

	if( document.all && document.getElementById ) element.className=style;
	else element.setAttribute("class", style);

}