function showTab(boxid) {
    hideTabs();
    var tab = document.getElementById(boxid);
    tab.style.visibility="visible";
    tab.style.display="block";
}

function hideTabs() {	   	   
    var tabs = document.getElementsByTagName('div');
    for(x=0; x<tabs.length; x++) {
        if (tabs[x].className=='page') {
	        tabs[x].style.visibility="hidden";
	        tabs[x].style.display="none";
        }
    }
}

function display(str) {
    window.status = str;
    return true;
}

function showScreenshot(screenshotObject) {
    document.images['screenshot_large'].src = screenshotObject.src;
}