new Image().src = "/parts/r_bo_off.gif";
op="/parts/r_bo_off.gif";
cl="/parts/r_bo_on.gif";
function dd(obj){
	if(document.getElementById){
		document.getElementById(obj).style.display=='none'?document.getElementById(obj).style.display='block':document.getElementById(obj).style.display='none';
		document.getElementById(obj+"i").src.indexOf('r_bo_on.gif')>0?document.getElementById(obj+"i").src=op:document.getElementById(obj+"i").src=cl
	}
	else if(document.all){
		document.all(obj).style.display=='none'?document.all(obj).style.display='block':document.all(obj).style.display='none';
		document.all(obj+"i").src.indexOf('r_bo_on.gif')>0?document.all(obj+"i").src=op:document.all(obj+"i").src=cl
	}
	else if(document.layers){
		document.layers[obj].display=='none'?document.layers[obj].display='block':document.layers[obj].display='none';
		document.layers[obj+"i"].src.indexOf('r_bo_on.gif')>0?document.layers[obj+"i"].src=op:document.layers[obj+"i"].src=cl
	}
}