function ActivateBlock(block, active){
	for(i=1;i<=3;i++){
		if(i==active){
			document.getElementById(block+i).style.visibility = "visible";
			document.getElementById(block+i).style.display='block';
		}else{
			document.getElementById(block+i).style.visibility = "hidden";
			document.getElementById(block+i).style.display='none';
		}
	}
}