function swap(listIdPrefix) {
    var secGroup = new Array();
    secGroup[0] = "m";
    secGroup[1] = "p";
    secGroup[2] = "c";
    secGroup[3] = "d";
    secGroup[4] = "i";
    secGroup[5] = "v";
    collapsedList = document.getElementById(listIdPrefix + "_collapsed");
    expandedList = document.getElementById(listIdPrefix + "_expanded");
    if (collapsedList.style.display == "block") {
        collapsedList.style.display = "none";
        expandedList.style.display = "block";
    } else {
        collapsedList.style.display = "block";
        expandedList.style.display = "none";
    }
    ensureExclusivity(listIdPrefix,secGroup);
} 

function ensureExclusivity(listIdPrefix,group)
{
    for (var i = 0 ; i < group.length ; i++)
    {
        if (group[i] != listIdPrefix) {
            document.getElementById(group[i] + "_collapsed").style.display = "block";
            document.getElementById(group[i] + "_expanded").style.display = "none";
        }
    }
}

function popup(url, width, height)
{
	var newWindow ;
	newWindow = window.open(url, "", "width=" + width + ",height=" + height);
	if(window.focus) {newWindow.focus()}
}

function popMedia(id)
{
	window.open("player.html?f="+id,"_popMedia","width=320,height=256");
}