function click1(){
document.getElementById('flash').style.backgroundImage="url('assets/images/bgs/windows/1.jpg')"; 
document.getElementById('flash_menu').style.backgroundImage="url('assets/images/bgs/windows.png')"; 
document.getElementById('text2').style.display='none'; 
document.getElementById('text3').style.display='none'; 
document.getElementById('text1').style.display='';
}
function click2(){
document.getElementById('flash').style.backgroundImage="url('assets/images/bgs/kitchen/1.jpg')";
document.getElementById('flash_menu').style.backgroundImage="url('assets/images/bgs/kitchen.png')";  document.getElementById('text1').style.display='none'; 
document.getElementById('text3').style.display='none'; 
document.getElementById('text2').style.display='';
}
function click3(){
document.getElementById('flash').style.backgroundImage="url('assets/images/bgs/jaluzi/1.jpg')";
document.getElementById('flash_menu').style.backgroundImage="url('assets/images/bgs/jaluzi.png')";  document.getElementById('text1').style.display='none'; 
document.getElementById('text2').style.display='none'; 
document.getElementById('text3').style.display='';
}