function toggleSubPrefs(c) {
	var div = c.name +'_prefs';
	if (document.getElementById(div).style.display == "block") {
		//alert("tonone")
		document.getElementById(div).style.display = "none";
	}else{
		if(document.getElementById(div).style.display == "none"){
			//alert("toblock")
			document.getElementById(div).style.display = "block";
		}else{
			//alert("tonone")
			document.getElementById(div).style.display = "block";
		}
	}
	//return false;
}