var cookieValue;
	var posImage;
		
	function init()
	{		
		if( readCookie("Predio") == null )
		{
			createCookie("Predio", 0, 1);
		}
			
		else
		{
			cookieValue = readCookie("Predio");			
			posImage 	= parseInt(cookieValue);
									
			if(posImage == 2)
				posImage = 0;
			
			else
				posImage  = posImage + 1;						
			
			document.getElementById("page").style.background = 	"url(imagens/bg_page"+(posImage + 1)+".jpg) right top no-repeat";						
			createCookie("Predio", posImage, 1);
		}
	}
	
	
	function createCookie(name,value,days)
	{
		if (days)
		{
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	}

	function readCookie(name)
	{
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		
		for(var i=0;i < ca.length;i++)
		{
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		
		return null;
	}

	function eraseCookie(name)
	{
		createCookie(name,"",-1);
	}
	
	
	$(document).ready(function()
	{
		init();
				
		if( posImage == 0)
			$(".backgroundLink a").attr("href", "http://www.adaoimoveis.com.br/theone/");
			
		else if( posImage == 1)
			$(".backgroundLink a").attr("href", "http://www.adaoimoveis.com.br/sublime/");			

		else if( posImage == 2)
			$(".backgroundLink a").attr("href", "http://www.sousaandrade.com.br/winner/");			

	});