// JavaScript Document
$(document).ready(function(){

		showHeader = getCookie('showHeader'); 
		extra_y = 0;
		if (showHeader == "open"){
			$("#wrapper_header").css( {height: "274px"});
			$("#wrapper_header").css('backgroundImage',"url('http://www.ebr.nl/img/maximalizeer_knop.jpg')");
		}
		if (showHeader == "closed"){
			$("#wrapper_header").css( {height: "70px"});
			$("#wrapper_header").css('backgroundImage',"url('http://www.ebr.nl/img/minimalizeer_knop.jpg')");
		}
		
	})

	function hideHeader(){
		$("body").focus();
		if ($("#wrapper_header").css("height") == "274px"){
			extra_y = 0;
			$("#header").css('backgroundImage',"url('http://www.ebr.nl/img/foto_header.jpg')");
			$("#zoekmodule").css('backgroundImage',"url('http://www.ebr.nl/img/zoekmodule_achtergrond.jpg')");
			$("#zoekmodule_content").css("display", "block");
			$("#min_max").css('backgroundImage',"url('http://www.ebr.nl/img/minimalizeer_knop.jpg')");
			$("#min_max").css("background-repeat", "no-repeat");
			setCookie('showHeader', "open");
		}else{		
			extra_y = 274;
			$("#wrapper_header").css( {height: "70px"} );
			$("#header").css('backgroundImage',"url('http://www.ebr.nl/img/foto_header_dicht.jpg')");
			$("#zoekmodule").css('backgroundImage',"url('http://www.ebr.nl/img/zoekmodule_achtergrond_dicht.jpg')");
			$("#zoekmodule_content").css("display", "none");
			$("#min_max").css('backgroundImage',"url('http://www.ebr.nl/img/maximalizeer_knop.jpg')");
			setCookie('showHeader', "closed");
		}
	}
	
	function hideHeader2(){
		$("body").focus();
		if ($("#wrapper_header").css("height") == "274px"){
			extra_y = 0;
			$("#wrapper_header").animate( {height: "70px"} );	
			$("#header").css('backgroundImage',"url('http://www.ebr.nl/img/foto_header_dicht.jpg')");
			$("#zoekmodule").css('backgroundImage',"url('http://www.ebr.nl/img/zoekmodule_achtergrond_dicht.jpg')");
			$("#zoekmodule_content").css("display", "none");
			$("#min_max").css('backgroundImage',"url('http://www.ebr.nl/img/maximalizeer_knop.jpg')");
			setCookie('showHeader', "closed");
		}else{		
			extra_y = 274;
			$("#wrapper_header").animate( {height: "274px"});	
			$("#header").css('backgroundImage',"url('http://www.ebr.nl/img/foto_header.jpg')");
			$("#zoekmodule").css('backgroundImage',"url('http://www.ebr.nl/img/zoekmodule_achtergrond.jpg')");
			$("#zoekmodule_content").css("display", "block");
			$("#min_max").css('backgroundImage',"url('http://www.ebr.nl/img/minimalizeer_knop.jpg')");
			setCookie('showHeader', "open");
		}
	}
	
function setCookie(name,data){

		var date = new Date();
		date.setTime(date.getTime()+(24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
		document.cookie = name+"="+data+expires+"; path=/";
	}	
	
	function getCookie(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 false;
	}