function hideall(){
for (i=1; i <= 4; i++) {
	el=document.getElementById("submenu" + i).style;
	el.display = 'none';
}
}

function popup(idecko){
	hideall();
	el=document.getElementById(idecko).style;
	el.display = 'block';
}

function hide(idecko){
	el=document.getElementById(idecko).style;
	el.display = 'none';

}