function OCL(id){
	if(document.all || document.getElementById){
		if(document.all){
			obj = document.all(id).style;
		}else if(document.getElementById){
			obj = document.getElementById(id).style;
		}

		if(obj.display == "block"){
			obj.display = "none";
		}else if(obj.display == "none"){
			obj.display = "block";
		}
	}
}