function Toggle(item) {
	var obj;
	if ( document.getElementById ) 
   	{
		obj=document.getElementById(item);
	} else {
		obj = document.all[item];
	}
	var key;
   	if ( document.getElementById ) 
   	{
		key=document.getElementById("x" + item);
	} else {
		key = document.all['x' +item];
	}	

	if (obj != undefined) {
		var visible = ( obj.style.display != 'none');
		if (visible) {
			obj.style.display="none";
		} else {
			obj.style.display="block";
		}
	}
}