jQuery(document).ready
	(
	function()
		{
		var cookieKey = "bkgrd";
		var aBackgrounds = new Array();
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/PBcfVmR*hIj5EnXFYMtZ4V7oq*A3jKHRkZudD5eIEZ2TWZrQj41HXaMxGT3R9fEAK98epMIOgcQqZ2SLGPeJQFGMcFGjbtrT/img_1.jpg";
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/baaYyySh9FKHo37DVuecxSfDuSUW8BuEo1phadumB5PXZ57FuJjgVmG9uBqtsDSKXWYR2F2Sc8Orh-qb04AdLOJrL24b834e/img_2.jpg";
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/PBcfVmR*hIhTiTO7K9H4uOkfLNQxARr5ujdtb507-3k7DpAG8o2TonKHJJlB5NvwZUyMozKViO*9HB3lbJDIFN6l-OpUAcgU/img_3.jpg";
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/PBcfVmR*hIi9DHI78LNsBoXVLY6RdRSREqEmvZD2Df1DJNqmT8DmL3cs41AKRHESEpL27T-VqHHofMiPnpeEcHbq1nezMjiv/img_4.jpg";
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/MgASzcejS3arh7PYhrwB7eX1TiRSsPjSo384RX8d8OFRhaU*IVdfyl9uW3Aj5Nb1nySTjk15U0mzWb5qygDj3XMoJON-XukJ/img_5.jpg";
		aBackgrounds[aBackgrounds.length] = "http://api.ning.com/files/BoPLb6lOzbyDln5hNWLlOdr0vffImI4K-M4DIzQd9r9kZEv2PQoslHC2i4hSh461j8IhDEl5MtC2Wd-vVhBrEbFzhpLxt8lP/img_6.jpg";

		
		//alert(getCookie(cookieKey));
		var lastIdx = getCookie(cookieKey);
		var rand = Math.floor(Math.random()*aBackgrounds.length);

		if(lastIdx)
			{
			while(parseInt(lastIdx,10) === rand)
				{
				rand = Math.floor(Math.random()*aBackgrounds.length);
				if(rand > aBackgrounds.length)
					rand = aBackgrounds.length - 1;
				}
			}
					
		setCookie(cookieKey, rand);
		//document.cookie = "bkgrd=" + rand;
		//alert(rand);
		var b = document.getElementsByTagName("body")[0];
		b.style.backgroundColor = "#FFFFFF";
		b.style.backgroundImage = "url(" + aBackgrounds[rand] + ")";
		b.style.backgroundRepeat = "no-repeat";
		b.style.backgroundPosition = "top center";
		}
	);
	
function getCookie( check_name ) 
	{
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
		{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
	
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
			{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
				{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
				}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
			}
		a_temp_cookie = null;
		cookie_name = '';
		}
	if ( !b_cookie_found )
		{
		return null;
		}
	}			
	
	
function setCookie( name, value, expires, path, domain, secure ) 
	{
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires )
		{
		expires = expires * 1000 * 60 * 60 * 24;
		}
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) 
									+ ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) 
									+ ( ( path ) ? ";path=" + path : "" ) 
									+ ( ( domain ) ? ";domain=" + domain : "" ) 
									+	( ( secure ) ? ";secure" : "" );
	}