/* Google Map Selector
* Created: Jan 18th, 2011 by DynamicDrive.com. This notice must stay intact for usage 
* Author: Dynamic Drive at http://www.dynamicdrive.com/
* Visit http://www.dynamicdrive.com/ for full source code
*/


var googlemapselector={

	selectaddr:function($addrdiv, $li, $mapiframe){ /*selects an address by adding CSS class "selected" to LI in question, plus load map inside iframe*/
		if ($addrdiv.data('$lastselectedli'))
			$addrdiv.data('$lastselectedli').removeClass('selected')
		$li.addClass('selected')
		window.frames[$mapiframe.attr('name')].location.replace($li.data('addr')) //load map address inside IFRAME
		$mapiframe.data('$largemaplink').attr('href', $li.data('addr').replace('&output=embed', '')) //change "larger map" link to selected address's URL, but without '&output=embed' suffix
		$addrdiv.data('$lastselectedli', $li)
	},

	init:function(addrwrapper, mapwrapper, persist){
		jQuery(function($){ //on document.ready
			var $mapdiv=$('#'+mapwrapper)
			var $mapiframe=$mapdiv.find('iframe:eq(0)')
			var $addrdiv=$('#'+addrwrapper)
			var $lis=$addrdiv.find('ul.location:eq(0)').find('li')
			var mapiframetarget=$mapiframe.attr('name')
			var $largemaplink=$mapdiv.find('a.largermap') //ref link with class="largermap"
			$mapiframe.data('$largemaplink', $largemaplink) //remember ref to largermap link
			$lis.each(function(){
				var $li=$(this)
				var $address=$li.find('a[href^="http://maps.google.com"]') //find Google map links within LI
				$address.each(function(){
					var $addr=$(this)
					$addr.attr({href:this.getAttribute('href')+'&output=embed', target:mapiframetarget}) //add '&output=embed' to Google map link plus target attribute
					$addr.click(function(e){
						googlemapselector.selectaddr($addrdiv, $li, $mapiframe) //load Google map
						e.preventDefault()
					})
				})
				$li.data('addr', $address.eq(0).attr('href'))
				if ($li.hasClass('selected')){
					googlemapselector.selectaddr($addrdiv, $li, $mapiframe) //load Google map
					$addrdiv.data('$lastselectedli', $li) //remember last selected LI
					return
				}
			})
		})
	}
}

//parameters: 1) ID of DIV containing address UL, 2) ID of column containing Google map IFRAME:
googlemapselector.init('addrcolumn', 'mapcolumn')