var highlightImg = function(img) {
    return true;
};

var toggleEl = function(el_id){
    el = document.getElementById(el_id);
    if(el.style.display == "none"){
	el.style.display = "block";
    }else{
	el.style.display = "none";
    }
};

var toggleElements = function(el_id_array){
    for(var i = 0; i < el_id_array.length; i += 1){
	toggleEl(el_id_array[i]);
    }
    return false;
};

var toggleInbox = function(tab_id){

    tabs = Array("messages", "hw-comments", "topic-replies");
    for(i = 0; i < tabs.length; i++){
	document.getElementById("inbox-" + tabs[i]).style.display = "none";
	document.getElementById("tab-link-" + tabs[i]).style.border = "1px solid #888";
	document.getElementById("tab-link-" + tabs[i]).style.position = "static";
	document.getElementById("tab-link-" + tabs[i]).style.paddingTop = "3px";
	document.getElementById("tab-link-" + tabs[i]).style.backgroundColor = "#CCC";
	document.getElementById("tab-link-" + tabs[i]).style.color = "#034569";
    }

    document.getElementById("tab-" + tab_id).style.borderBottom = "1px solid #FFF";
    document.getElementById("tab-" + tab_id).style.backgroundColor = "#FFF";
    document.getElementById("tab-link-" + tab_id).style.backgroundColor = "#EEE";
    document.getElementById("tab-link-" + tab_id).style.color = "#222222";
    document.getElementById("tab-link-" + tab_id).style.position = "relative";
    document.getElementById("tab-link-" + tab_id).style.top = "1px";
    document.getElementById("tab-link-" + tab_id).style.paddingTop = "4px";
    document.getElementById("tab-link-" + tab_id).style.borderBottom = "0px";

    document.getElementById("inbox-" + tab_id).style.display = "block";

    return false;
};