//##############################
// jQuery Custom Radio-buttons and Checkbox; basically it's styling/theming for Checkbox and Radiobutton elements in forms
// By Dharmavirsinh Jhala - dharmavir@gmail.com
// Date of Release: 13th March 10
// Version: 0.8
/*
 USAGE:
	$j(document).ready(function(){
		$j(":radio").behaveLikeCheckbox();
	}
*/

var elmHeight = "25";	// should be specified based on image size

// Extend JQuery Functionality For Custom Radio Button Functionality
jQuery.fn.extend({
dgStyle: function()
{
	// Initialize with initial load time control state
	$j.each($j(this), function(){
		var elm	=	$j(this).children().get(0);
		elmType = $j(elm).attr("type");
		$j(this).data('type',elmType);
		$j(this).data('checked',$j(elm).attr("checked"));
		$j(this).dgClear();
	});
	$j(this).mousedown(function() { $j(this).dgEffect(); });
	$j(this).mouseup(function() { $j(this).dgHandle(); });	
},
dgClear: function()
{
	if($j(this).data("checked") == true)
	{
		$j(this).css("backgroundPosition","center -"+(elmHeight*2)+"px");
		}
	else
	{
		$j(this).css("backgroundPosition","center 0");
		}	
},
dgEffect: function()
{
	if($j(this).data("checked") == true)
		$j(this).css({backgroundPosition:"center -"+(elmHeight*3)+"px"});
	else
		$j(this).css({backgroundPosition:"center -"+(elmHeight)+"px"});
},
dgHandle: function()
{
	var elm	=	$j(this).children().get(0);
	if($j(this).data("checked") == true)
		$j(elm).dgUncheck(this);
	else
		$j(elm).dgCheck(this);
	
	if($j(this).data('type') == 'radio')
	{
		$j.each($j("input[name='"+$j(elm).attr("name")+"']"),function()
		{
			if(elm!=this)
			{
				$j(this).dgUncheck(-1);
			}
		});
	}
},
dgCheck: function(div)
{
	$j(this).attr("checked",true);
	$j(div).data('checked',true).css({backgroundPosition:"center -"+(elmHeight*2)+"px"});
},
dgUncheck: function(div)
{
	$j(this).attr("checked",false);
	if(div != -1)
		$j(div).data('checked',false).css({backgroundPosition:"center 0"});
	else
		$j(this).parent().data("checked",false).css({backgroundPosition:"center 0"});
}
});