function fn_displayBlind(blind) {//Active
	fn_hideallBlinds();
	if(document.getElementById('id'+blind).style.display!='block'){
		document.getElementById('id'+blind).style.display='block';		
	}
}
function fn_hideallBlinds() {//Inactive
	for (var x = 1; x <= blindNum; x++)	{
		document.getElementById('id'+x).style.display='none';
	}
}