function loadBackground(page)
{ 
  bg=new Image()   
  bg.src="./images/backgrounds/"+page+".jpg"
  style2 = document.getElementById('main').style;

  /*document.body.background=bg.src */              

 document.body.background=bg.src
  document.body.style.backgroundRepeat = "no-repeat"
  document.body.style.backgroundPositionX = "center"
document.body.style.backgroundPosition = "center top" 
 
} 

function swapImage(buttonNr,page,lang) {   
	
	var buttonArray = ['home','news','biography','bands','music','session','teacher','workshop','pictures','scores','shop','links','contact']
	var i;
 	for (i = 0; i < 13; i++) { 
		
		if (buttonNr == i) {    
		    document['button' + i].src="./images/buttons/" + lang + "_active/" + page + ".png"     
			 
		} else {
		       document['button' + i].src="./images/buttons/" + lang + "/" + buttonArray[i] + ".png"  

	   	} 
	
		
	}      

	
}    

function setCookie(page) {
	document.cookie='page='+page+'; expires=0; path=/'
}  

function launchLanguage(lang,server) {   
	var page = readCookie('page')
	location.href = server+"?page="+page+"&lang="+lang
}            

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;
}